Booster Serum Strength & Length
Noticed a few sparse spots or thinning patches? You’re not imagining it and you’re definitely not stuck with it. Our Booster Serum is a high-strength, leave-in serum designed to hit those problem areas hard, helping your hair feel thicker, stronger and more supported. A little goes a long way, but the results? Big.
- Targets sparse or thinning areas on the scalp
- Helps hair feel thicker and stronger with every use
- Peptide-powered formula supports scalp vitality
- Lightweight, leave-in format—no mess, no rinse
- Boosts the appearance of fullness and volume
- Easy precision dropper for targeted application
Noticed a few sparse spots or thinning patches? You’re not imagining it and you’re definitely not stuck with it. Our Booster Serum is a high-strength, leave-in serum designed to hit those problem areas hard, helping your hair feel thicker, stronger and more supported. A little goes a long way, but the results? Big.
- Targets sparse or thinning areas on the scalp
- Helps hair feel thicker and stronger with every use
- Peptide-powered formula supports scalp vitality
- Lightweight, leave-in format—no mess, no rinse
- Boosts the appearance of fullness and volume
- Easy precision dropper for targeted application
This booster serum is a leave-in formula. Apply a small amount to problem areas on the scalp. Gently massage in with fingertips or your Growth Bomb Silicone Scalp Brush to maximise absorption.
Water (Aqua), Butylene Glycol, Propanediol, Glycerin, 1,2-Hexanediol, Hydroxyacetophenone, Xanthan Gum, Ilex Paraguariensis Leaf Extract, Backhousia Anisata Leaf Extract, Callitris Glaucophylla Leaf Extract, Citric Acid, Sodium Benzoate, Dextran, Acetyl Tetrapeptide-3, Potassium Sorbate, Trifolium Pratense (Clover) Flower Extract.
Stop using this product if you develop redness or itching.
Key Ingredients
Our formulas are packed with powerhouse ingredients that work together to deliver real results. From scalp-nourishing botanicals to cutting-edge peptides, every ingredient is carefully chosen to support healthier, stronger, and fuller-looking hair.
White Cypress
A volume-boosting extract that helps improve the appearance of hair diameter. It's an excellent hydrator that supports anti-breakage by slowing down hair fall due to weak hair.
Yerba Maté
Antioxidant-rich Yerba Maté extract is packed with caffeine energy. This helps protect hair from oxidative damage and supports healthy roots for optimal condition and strength.
Capixyl™
A patented biomimetic peptide combined with red clover flower extract that is rich in biochanin A. It’s an innovative and powerful cosmetic ingredient providing fuller, thicker and healthier looking hair.
Don’t Take Our Word for It - Take Theirs.
Excellent
4.7/ 5
based on 364 reviews
Healthy Hair Transformation
This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now.
Jessica T
Stronger Hair, Fuller Look
This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas.
Margarethe
My Secret to Volume
I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it.
Geraldina
Focuses Where You Need It
I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product!
Moria
Stronger, Fuller Hair
My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works.
Zoe P
Lightweight and Effective
It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair.
Katusha
Boosts Volume and Strength
My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus.
Bev
Thicker Hair in Weeks
This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier.
Amanda L
Game-Changer for My Hair
This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage.
Shoshie
Perfect for Problem Areas
I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller!
Elaine
Healthy Hair Transformation
This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now.
Jessica T
Stronger Hair, Fuller Look
This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas.
Margarethe
My Secret to Volume
I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it.
Geraldina
Focuses Where You Need It
I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product!
Moria
Stronger, Fuller Hair
My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works.
Zoe P
Lightweight and Effective
It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair.
Katusha
Boosts Volume and Strength
My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus.
Bev
Thicker Hair in Weeks
This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier.
Amanda L
Game-Changer for My Hair
This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage.
Shoshie
Perfect for Problem Areas
I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller!
Elaine
Healthy Hair Transformation
This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now.
Jessica T
Stronger Hair, Fuller Look
This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas.
Margarethe
My Secret to Volume
I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it.
Geraldina
Focuses Where You Need It
I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product!
Moria
Stronger, Fuller Hair
My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works.
Zoe P
Lightweight and Effective
It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair.
Katusha
Boosts Volume and Strength
My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus.
Bev
Thicker Hair in Weeks
This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier.
Amanda L
Game-Changer for My Hair
This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage.
Shoshie
Perfect for Problem Areas
I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller!
Elaine
Healthy Hair Transformation
This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now.
Jessica T
Stronger Hair, Fuller Look
This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas.
Margarethe
My Secret to Volume
I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it.
Geraldina
Focuses Where You Need It
I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product!
Moria
Stronger, Fuller Hair
My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works.
Zoe P
Lightweight and Effective
It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair.
Katusha
Boosts Volume and Strength
My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus.
Bev
Thicker Hair in Weeks
This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier.
Amanda L
Game-Changer for My Hair
This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage.
Shoshie
Perfect for Problem Areas
I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller!
Elaine
Healthy Hair Transformation
This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now.
Jessica T
Stronger Hair, Fuller Look
This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas.
Margarethe
My Secret to Volume
I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it.
Geraldina
Focuses Where You Need It
I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product!
Moria
Stronger, Fuller Hair
My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works.
Zoe P
Lightweight and Effective
It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair.
Katusha
Boosts Volume and Strength
My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus.
Bev
Thicker Hair in Weeks
This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier.
Amanda L
Game-Changer for My Hair
This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage.
Shoshie
Perfect for Problem Areas
I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller!
Elaine
Healthy Hair Transformation
This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now. This has been a lifesaver for my thin, weak hair. It’s softer, fuller, and looks so much healthier now.
Jessica T
Stronger Hair, Fuller Look
This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas. This serum is amazing! My hair looks so much fuller and feels stronger after just a few weeks. I love how easy it is to target specific areas.
Margarethe
My Secret to Volume
I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it. I’ve struggled with flat, thin hair for years, and this booster has worked wonders. My hair looks thicker and gets stronger the more I use it.
Geraldina
Focuses Where You Need It
I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product! I love how targeted this serum is. My problem areas are looking fuller and healthier. Great product!
Moria
Stronger, Fuller Hair
My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works. My hair is finally looking thicker and stronger. I’ve tried so many products, but this one actually works.
Zoe P
Lightweight and Effective
It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair. It doesn’t leave my hair feeling greasy, and I’ve noticed so much more volume. Highly recommend this for anyone with thinning hair.
Katusha
Boosts Volume and Strength
My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus. My hair feels thicker and healthier every time I use this. It’s lightweight and absorbs quickly, which is a bonus.
Bev
Thicker Hair in Weeks
This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier. This serum really works! I’ve been using it for a month now, and my hair looks noticeably fuller and healthier.
Amanda L
Game-Changer for My Hair
This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage. This serum has transformed my hair. It feels thicker and more conditioned, and I’ve noticed way less breakage.
Shoshie
Perfect for Problem Areas
I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller! I love how I can focus on areas that need extra attention. My scalp feels great, and my hair looks so much fuller!
Elaine
Loved by everyone, everywhere.
BEST SELLING PRODUCTS
OUR
Boom, you're on the waitlist! ⚡
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Antioxidant rich
Strength support
OUR
Boom, you're on the waitlist! ⚡
You'll be the first to know when the Post Pregnancy range is available!
Strengthening
Breakage defence
OUR
Boom, you're on the waitlist! ⚡
You'll be the first to know when the Post Pregnancy range is available!
Targeted care
Peptide boost
