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Welcome to Advanced Trichology

Leaders in the science of hair growth for over 20 years

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* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Information on this site is provided for informational purposes only. It is not meant to substitute for medical advice from your physician or other medical professional. You should not use the information contained herein for diagnosing or treating a health problem or disease, or prescribing any medication. Carefully read all product documentation. If you have or suspect that you have a medical problem, promptly contact your regular health care provider.

* Offer valid for new subscribers only. 20% discount applies to the first shipment of a new subscription only. Renewals bill automatically at the then-current subscription rate until canceled. Cannot be combined with other offers or discounts or applied to prior purchases. One use per customer. Non-transferable. Limited-time offer.

✦Before-and-after results are from clients participating in personalized Advanced Trichology clinical programs that may include multiple products and treatments. Results shown should not be attributed to any single product. Individual protocols and results may vary. Results are not typical.

Clinical study references

Based on a consumer perception study of 102 women using the applicable product line for 6 months. Individual results may vary.
Based on a 90-day blinded consumer in-home use study of 101 participants using FoliGROWTH™ daily.
Based on a 90-day blinded consumer in-home use study of 107 participants using HairStem™ Peptide Shampoo during each hair wash.
Based on a 90-day blinded consumer in-home use study of 37 participants using HairStem™ Scalp Serum daily.
For studies 1–3, results reflect participant self-assessments collected at Days 45 and 90. Individual results may vary.
Based on an independent dermatological skin tolerability study conducted by Dermatest® on 30 subjects using HairStem™ Peptide Shampoo. No skin alterations were observed at 24, 48, or 72 hours following application, and the product was rated as very well tolerated.
Based on an independent dermatological skin tolerability study conducted by Dermatest® on 30 subjects using HairStem™ Peptide Follicle Spray. No skin alterations were observed at 24, 48, or 72 hours following application, and the product was rated as very well tolerated.
Based on published 90-day and 180-day results from a 6-month randomized, double-blind, placebo-controlled clinical study of SEREVELLE™ in 60 adults with self-perceived thinning hair (40 active; 20 placebo). Outcomes included terminal, vellus and total hair counts, hair density, hair width, follicular measurements, hair shedding and participant/investigator assessments. Results were assessed at Days 90 and 180. Ablon G., Journal of Cosmetic Dermatology, 2025, e70585; 2026, e70717. No treatment-related adverse events were reported during the 180-day study. Individual results may vary.

Actual Packaging May Vary

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