Frequently Asked Questions

Who is this set for?

For anyone with thinning hair, weak or brittle strands, stress- or postpartum-related shedding*, or anyone starting a scalp care routine. Safe for color-treated and chemically treated hair. *If pairing with Re:GRO™ Scalp Serum, consult your doctor if pregnant or breastfeeding.

Are there men’s and women’s versions?

Yes—just the scent differs. Women’s: fresh rosemary with sweet eucalyptus and garden basil undertones. Men’s: fresh herbs with rosemary, basil, and nettle. Both are clean, vegan, and cruelty-free.

How does this set support scalp and hair health?

Zinc reduces flakes, caffeine energizes follicles, Biotin strengthens strands, and Saw Palmetto helps block DHT. Botanical oils and probiotics in the shampoo and conditioner nourish strands, stimulate the scalp, and support thicker, fuller-looking hair.

How clean are these formulas?

98%+ naturally derived, sulfate-, paraben-, and silicone-free. Vegan, cruelty-free, and free from irritants, hormone disruptors, toxins, and synthetic fragrance.

What else should I pair it with?

For best results, add Re:GRO™ Anti-Thinning Scalp Serum to your routine. Use 4x/week for 12 weeks to help hair appear thicker, stronger, and more resilient. In a 90-day clinical study, 97% of participants reported less breakage and shedding.*

*Clinical Study: 30+ panelists used Re:GRO™ Scalp Serum, Shampoo & Conditioner for 90 days. Third Party Verified Clinic. USA 2025.

NO ARTIFICIAL FRAGRANCE OR SYNTHETIC DYES
FOR ALL HAIR TYPES
CRUELTY-FREE (LEAPING BUNNY CERTIFIED)
SULFATE, SILICONE, PARABEN, HORMONE DISRUPTOR & PHTHALATE FREE
98%+ CLEAN, NATURALLY DERIVED INGREDIENTS
NATURALLY SCENTED
SAFE FOR COLOR TREATED HAIR
VEGAN
NO ARTIFICIAL FRAGRANCE OR SYNTHETIC DYES
FOR ALL HAIR TYPES
CRUELTY-FREE (LEAPING BUNNY CERTIFIED)
SULFATE, SILICONE, PARABEN, HORMONE DISRUPTOR & PHTHALATE FREE
98%+ CLEAN, NATURALLY DERIVED INGREDIENTS
NATURALLY SCENTED
SAFE FOR COLOR TREATED HAIR
VEGAN
NO ARTIFICIAL FRAGRANCE OR SYNTHETIC DYES
FOR ALL HAIR TYPES
CRUELTY-FREE (LEAPING BUNNY CERTIFIED)
SULFATE, SILICONE, PARABEN, HORMONE DISRUPTOR & PHTHALATE FREE
98%+ CLEAN, NATURALLY DERIVED INGREDIENTS
NATURALLY SCENTED
SAFE FOR COLOR TREATED HAIR
VEGAN
NO ARTIFICIAL FRAGRANCE OR SYNTHETIC DYES
FOR ALL HAIR TYPES
CRUELTY-FREE (LEAPING BUNNY CERTIFIED)
SULFATE, SILICONE, PARABEN, HORMONE DISRUPTOR & PHTHALATE FREE
98%+ CLEAN, NATURALLY DERIVED INGREDIENTS
NATURALLY SCENTED
SAFE FOR COLOR TREATED HAIR
VEGAN
NO ARTIFICIAL FRAGRANCE OR SYNTHETIC DYES
FOR ALL HAIR TYPES
CRUELTY-FREE (LEAPING BUNNY CERTIFIED)
SULFATE, SILICONE, PARABEN, HORMONE DISRUPTOR & PHTHALATE FREE
98%+ CLEAN, NATURALLY DERIVED INGREDIENTS
NATURALLY SCENTED
SAFE FOR COLOR TREATED HAIR
VEGAN

KIND WORDS

What they said

Switched from Native!

I had to restock with your brand because it's sooo good!! Switched from Native shampoo/cond and loving California Naturals!!

@LILYSLOCALE

CLASSIC CLEAN SHAMPOO & CONDITIONER

INSTAGRAM

IT'S ALL GOOD

We’re California Naturals.
Clean, natural, everyday essentials that actually work.

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WOMEN FOUNDED & LED

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SULFATE, PARABEN, & SILICONE FREE

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PCR PLASTIC BOTTLES

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for all hair types

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MIXED & POURED IN CALIFORNIA

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vegan & cruelty free

4.5
Rated 4.5 out of 5 stars
Based on 114 reviews
Total 5 star reviews: 75 Total 4 star reviews: 25 Total 3 star reviews: 11 Total 2 star reviews: 1 Total 1 star reviews: 2
89%would recommend these products
114 reviews
  • W
    Weezy
    Flag of United States
    Verified Buyer
    5 months ago
    Reviewing
    Re:GRO Anti-Thinning Conditioner
    Rated 5 out of 5 stars
    Great for Postpartum Hair Loss

    I'm 5 months postpartum and have had a lot of hair loss but since using this product I've noticed a lot less shedding! Also seems to be very natural ingredients and I do enjoy the scent and color it's very earthy but might be too much for some people.

  • K
    Kenny
    Flag of United States
    Verified Buyer
    6 months ago
    Reviewing
    Re:GRO Anti-Thinning Conditioner
    Rated 5 out of 5 stars
    The best conditioner

    One of the best I've ever tried. I like how it's made with natural ingredients and it helps prevent thinning hair. The smell is really nice and not overpowering.

  • DM
    Dana M.
    Verified Reviewer
    1 year ago
    Reviewing
    Re:GRO Anti-Thinning Shampoo
    Rated 5 out of 5 stars
    My Go-To Shampoo

    This has become my go-to shampoo! Not only does it smell amazing but it actually delivers on what it says it does...I have not had that much hair fall/ shedding since using this product ( a little over a month), my hair strands feel stronger and most importantly for me, my hair has more volume. Overall, my hair appears healthier (shiny, no frizz, volume). Highly recommend!

  • J
    Jessicaf1
    Verified Buyer
    3 days ago
    Reviewing
    Re:GRO Anti-Thinning Shampoo
    Rated 4 out of 5 stars
    Good shampoo

    I have been using the Re-Gro Anti-Thinning Shampoo and have been pleased with the results. The shampoo doesn't leave my hair dry and the formula is gentle, has a pleasant scent, and leaves my hair soft. While hair growth products require consistent use and time, I have noticed less shedding, which is amazing as I was suffering from post-partum hair loss.

  • K
    Kate
    Verified Buyer
    4 days ago
    Reviewing
    Re:GRO Anti-Thinning Shampoo
    Rated 3 out of 5 stars
    dandruff

    I didn't have dandruff before, but after about 3 uses of this shampoo, I started noticing flakes. I stopped using it immediately.

  • J
    Jesse
    Verified Buyer
    4 days ago
    Reviewing
    Re:GRO Anti-Thinning Shampoo
    Rated 5 out of 5 stars
    I would buy this product again

    I love this product and I can tell you the difference after I used it. The scent is amazing and is for all type of hair.

  • J
    Jac
    Verified Buyer
    4 days ago
    Reviewing
    Re:GRO Anti-Thinning Shampoo
    Rated 5 out of 5 stars
    Excellent shampoo

    This is probably one of the best shampoos I've used in a while. The scent isn't too overwhelming. The only con is that the instructions require you to leave the shampoo on for 1-2 minutes prior to washing off. I used the product as instructed. One thing I noticed is that this shampoo doesn't dry out my hair or make it rough like other shampoos do. It doesn't strip my hair and feels clean at the same time. One time I even forgot to put conditioner on afterward and my hair was still smooth. I don't usually get this type of result with other shampoos. After using this for a week I can't say if it helps with hair regrowth but it definitely made my hair feel healthier, smoother and have more volume. Overall I'm extremely pleased with this shampoo and I'll definitely buy it again.

  • M
    Mac
    Verified Buyer
    4 days ago
    Reviewing
    Re:GRO Anti-Thinning Shampoo
    Rated 4 out of 5 stars
    I would buy this product!

    I would recommend this product to anyone looking to add moisture to their hair! This product feels and smells like clean ingredients and left my hair feeling so moisturized! The only thing I did not like is when I wet my hair and added the shampoo there is no lather to it! Leading me to have to use even more. No big deal. The results were a lot better than I expected!