California Naturals Re:GRO Anti-Thinning Scalp Serum, 3 fl oz
California Naturals Re:GRO Anti-Thinning Scalp Serum, 3 fl oz
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California Naturals Re:GRO Anti-Thinning Scalp Serum, 3 fl oz

Key item features

  • Anti-thinning scalp serum for all hair types, from 1A to 4C
  • Strengthens hair from root to tip, visibly improves fullness, reduces shedding and thinning, stimulates your scalp with no mystery chemicals, lifts the roots, and gives you an instant thickness boost
  • 5% Capixyl® is clinically shown to spark new growth and strengthen thinning hair*
  • Caffeine wakes up follicles and boosts circulation, like coffee for your scalp
  • Biotin (Vitamin B7) helps strengthen hair strands, reducing brittleness and breakage for healthier-looking hair
  • Rosemary Oil, Castor Oil, and Pumpkin Seed Oil nourish the scalp and promote fullness
  • Vegan, sulfate free, paraben free, phthalate free, silicone free, synthetic fragrance free, and cruelty free scalp serum
  • Leaping Bunny Certified
  • Safe for color-treated hair, chemically-treated hair, and hair extensions
  • Recycled Packaging
  • Woman-founded and led
Current price is $19.99$6.66/fl oz
Price when purchased online
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One-time purchase $19.99

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Customer ratings & reviews

4.4 out of 5 stars
stars38 ratings37 reviews
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Showing 1-3 of 37 reviews

Dec 15, 2025
Claire
5 out of 5 stars review

Lightweight and clean

I was actually skeptical when I first got the bottle because a lot of serums are oily and just makes my hair feel like it's unwashed. But I'm surprised with the outcome!! The serum is super lightweight and thin that it just absorbs really well. It's really appreciate that it's unscented because my scalp can get a little sensitive. I would definitely recommend and if they made it with eucalyptus i wouldnt mind either

Review from California Naturals
Helpful?0ZTIRSGARWIK19347218850
Dec 13, 2025
Luna
5 out of 5 stars review

Great for hair!

I love how light and the scent is of this serum. It is not heavy at all. I appreciate that you don't have to rinse it out and that my hair so far feels so good. I can't wait to see the results after the next couple of weeks as one thing I have noticed is less shedding of hair. I would buy more of this product and I appreciate the packaging too.

Review from California Naturals
Helpful?0ZTIRSGARWIK19347218850
Jan 11, 2026
Ama
4 out of 5 stars review

It seems to work how is expected!

It's hard to tell because I think I need to use it longer for more efficient results. However, for the length of time I have been using it it does seem to help with growth. There seems to be more hair growing. Also, I love that this one does not make my hair oily and I can use it on my clean scalp.

Review from California Naturals
Helpful?0ZTIRSGARWIK19347218850