Stem Cell System – Act+Acre

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Cold Processed®

Stem Cell System

4.7
Rated 4.7 out of 5 stars
374 Reviews

A complete scalp care system for advanced hair thinning, powered by Apple Stem Cells + Capixyl™at the clinical levels. Clinically proven. 56% less visible hair fall-out in 12 weeks.

+ Cleanse, condition and treat with one clinically studied system.
+ 85.7% noticed more hair coverage on scalp.
+ Trichologist formulated, Cold Processed® below 40°C, safe for color-treated hair.

Includes:
+ Stem Cell Shampoo: Caffeine, Peppermint Oil and Hyaluronic Acid.
+ Stem Cell Conditioner: Meadowfoam Seed Oil, Hydrolyzed Rice Protein and Niacinamide.
+ 3% Stem Cell Peptide Treatment: Growth Peptides and Grape Stem Cells.

*12-week third-party clinical study (Complife), 28 subjects, acute telogen effluvium at baseline. **Clinical study, n=30, 4 months, p<0.05. Capixyl™. Lucas Meyer / IFF.

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Why You Need This
invigorates
balancing
nourishing
Real User Results

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Skincare bottle with 'Allure Best of Beauty 2025' award on a gray background
3% Stem Cell Peptide Treatment
Pro-aging, peptide rich daily scalp treatment
Learn More
A bottle of Act+ Acro. Plant Based Stem Cell Shampoo in a beige container with a white pump dispenser, set against a dark-to-light gray gradient background.
Plant Based Stem Cell Shampoo™
Supports hair follicle health for fuller + thicker looking hair
Learn More
How to Use:

Use the Stem Cell Shampoo + Conditioner for each cleanse, followed by the 3% Stem Cell Peptide Treatment daily.

Apply to wet hair. Start cleansing at the nape of the neck and work upward for a deeper cleanse. Cleanse twice for optimal results.

After shampooing, apply from mid lengths to ends. Rinse thoroughly. Leave in for 2-3 minutes for added nourishment. Apply to scalp to further support hair follicle health.

On clean, damp scalp, spray 1-2 pumps per section. Massage into the scalp. Do not rinse. Use daily for best results."
wash and post wash
wash day

Shop Individual Items

Skincare bottle with 'Allure Best of Beauty 2025' award on a gray background
3% Stem Cell Peptide Treatment
Pro-aging, peptide rich daily scalp treatment
Learn More
A bottle of Act+ Acro. Plant Based Stem Cell Shampoo in a beige container with a white pump dispenser, set against a dark-to-light gray gradient background.
Plant Based Stem Cell Shampoo™
Supports hair follicle health for fuller + thicker looking hair
Learn More
4.7
Rated 4.7 out of 5 stars
Based on 374 reviews
96%would recommend these products
Slide 1 selected
374 reviews
  • CB
    Christian B.
    Verified Buyer
    Reviewing
    Plant Based Stem Cell Conditioner™
    I recommend this product
    What is your main hair goal? I want to stop my hair thinning
    Do you experience hair loss? Moderate or gradual hair thinning
    Do you experience any scalp concerns? No scalp concerns
    Rated 5 out of 5 stars
    6 days ago
    Fuller, thicker hair achieved

    In combination with the shampoo and the Stem Cell Serum, I have over the course of 9 weeks achieved both thicker feeling hair, and and fuller hair at the crown and frontal hairline where I was beginning to notice thinning. Consistency is key, as I had previously used the scalp serum but was not consistent in its use. I have now used it in conjunction with the shampoo and conditioner almost every day for 9 weeks, and the difference is noticeable.

  • S
    Stephanie
    Reviewing
    3% Stem Cell Peptide Treatment
    Rated 3 out of 5 stars
    1 week ago
    3 Stars

    Leaves hair greasy

  • J
    Jackie
    Reviewing
    3% Stem Cell Peptide Treatment
    I recommend this product
    Rated 5 out of 5 stars
    4 weeks ago
    5 Stars

    like so far. Feels tingling I my scalp. Smells super fresh.

  • AC
    Alessia C.
    Verified Buyer
    Reviewing
    Stem Cell System
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    Best product ever

    After years of looking for the right product I finally found it. It is visibily increasing the amount and strenghts of hairs. Although I must admit I am also being followed by a tricologist who has been giving me additional treatments

  • MB
    Melissa B.
    Verified Buyer
    Reviewing
    3% Stem Cell Peptide Treatment
    I recommend this product
    What is your main hair goal? I want to stop my hair thinning
    Do you experience hair loss? Severe or rapid hair thinning
    Do you experience any scalp concerns? Itchiness, Sensitivity
    Rated 5 out of 5 stars
    2 months ago
    It's helping!

    I have experienced a ton of hair shedding throughout the year due to being postpartum, plus thyroid imbalances. I think with consistent use, this spray really does encourage hair growth. I experienced the first round of postpartum (+hyperthyroidism) hair loss at it's peak in January, I started using the peptide treatment in February and the new growth is almost 3 inches in early September. Another round of significant shedding started mid-summer once I swung to hypothyroidism and and now in early September I can already see baby hairs around my hairline. I've really been through it with my hair this year and am still experiencing shedding as we work toward balancing my thyroid levels, but at least I know new hair is coming in. I currently wash my hair and use this product every other day.