#1 PROFESSIONAL BRAND EXCLUSIVE TO SCALP CARE & THINNING HAIR¹
1. Global sales from Kline Salon haircare study.
2. Maymone, M. B. C., et al.“Hair Aging in Di erent Races and Ethnicities.”Journal of Clinical and Aesthetic Dermatology, vol. 14, no. 1, Jan. 2021, pp. 38–44.
3. “Gray Hair: From Preventive to Treatment.” Clinical, Cosmetic and Investigational Dermatology, vol. 17, 17 Jun 2025, pp. 1475–1494. Dove Medical Press, doi:10.2147/CCID.S526263. PubMed Central.
4. Ungvari, A., Kiss, T., Gulej, R. et al. Irradiation-induced hair graying in mice: an experimental model to evaluate the e ectiveness of interventions targeting oxidative stress, DNA damage prevention, and cellular senescence. GeroScience 46, 3105–3122 (2024).
5. Sinclair, R., Adam Chapman, and J. Magee. “The Lack of Signifcant Changes in Scalp Hair Follicle Density with Advancing Age.” British Journal of Dermatology, vol. 152, no. 4, Apr. 2005, pp. 646–649. WileyBlackwell, doi:10.1111/j.1365-2133.2005.06310.x.
6. Trüeb, Ralph M., et al.“A Comment on the Science of Hair Aging.” Dermatoendocrinology, vol. 11, no. 1, 2019, pp. 1–7 (or page range if available). PubMed Central,
7. Choi, Hyo-Soo, et al. “Aging and Hair Characteristics in Various Ethnic Groups: A Comparative Study.” Skin Pharmacology and Physiology, vol. 32, no. 2, 2019, pp. 91–97. PMC. A. Monselise et al., What Ages Hair, International Journal of Women’s Dermatology 3 (2017) S52–S57
8. Vs non conditioning shampoo.
9. 16 Week Clinical Study with 25 subjects (with less than 30% grey).
10. Results based on the usage of Age Defense Serum.
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