California Naturals Re:GRO Anti-Thinning Shampoo, 16.5 fl oz
California Naturals Re:GRO Anti-Thinning Shampoo, 16.5 fl oz
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California Naturals Re:GRO Anti-Thinning Shampoo, 16.5 fl oz

Key item features

  • Anti-thinning shampoo strengthens strands to help reduce breakage and nourish scalp to help reduce flakes, providing essential nutrients for scalp health.
  • Zinc supports scalp health by helping to reduce flakes and promote a healthy scalp.
  • Caffeine stimulates the scalp, encouraging healthy hair growth and reducing hair thinning.
  • Biotin (Vitamin B7) strengthens hair strands, reducing breakage and helps promote growth.
  • Made with 99% Naturally Derived, clean, and simple ingredients.
  • Anti-thinning hair shampoo made for daily gentle scalp and hair care.
  • Sulfate free, paraben free, phthalate free, silicone free, gluten free, vegan and cruelty free shampoo
  • Leaping Bunny Certified
  • Safe for color-treated hair
  • 100% Recycled bottle
  • Woman-founded and led
Current price is $9.9760.4 ¢/fl oz
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  • Free 90-day returns

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Customer ratings & reviews

4.4 out of 5 stars
stars41 ratings29 reviews
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Reviews summary

Pros

  • : Helps soothe and rejuvenate with regular use.
  • : Removes dirt and impurities without drying hair.
  • : Produces a rich amount of lather when applied.
  • : Contains non-toxic and clean ingredients.
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Showing 1-3 of 29 reviews

Dec 3, 2025
Megs04
5 out of 5 stars review

Say yes!!

I'm super cautious about ingredients - and this shampoo is a gem. It's clean, over 99% naturally derived, and free from harsh chemicals. THIS shampoo doesn't dry out your hair, but it must have something to stimulate the hair follicles because after a few days I really felt like it was working.

Review from California Naturals
Helpful?274NAKEX43L616926861518
Dec 19, 2025
Lex
5 out of 5 stars review

Amazing!

I received the Re:GRO Anti-Thinning Shampoo for free through the BzzAgent program. I enjoyed getting to try this shampoo as I wanted to see if it would truly do what it said it would. I've noticed over the last few weeks of trying this shampoo that my scalp feels much better, especially during the cold winter months, my hair doesn't break as easily, and hair shedding has reduced. The scent is also a plus! I would definitely recommend this product to anyone looking for a clean, sulfate-free daily shampoo that supports scalp health.

Review from California Naturals
Helpful?274NAKEX43L616926861518
Dec 16, 2025
Jess
5 out of 5 stars review

Gentle on hair and less shedding

I've been using the GRO anti-thinning shampoo for a few weeks now and I really like how gentle it feels on my hair and scalp. It cleans well without leaving my hair dry or stripped, and my hair feels softer and healthier after each wash. I've also noticed less shedding when I brush or shower. It has a light, pleasant scent and feels like a quality product—definitely a good option if you're dealing with thinning or fragile hair.

Review from California Naturals
Helpful?274NAKEX43L616926861518