Science

Sources & References

Glō's ingredient recommendations are based on peer-reviewed dermatological research and guidance from professional medical bodies. Below are the sources behind each recommendation category in the app. This page is also accessible in-app under Profile → Sources & References.

Niacinamide

"Refines pores, regulates oil production, and enhances overall skin texture and radiance."

Bissett D.L., Oblong J.E., Berge C.A. (2005). "Niacinamide: A B vitamin that improves aging facial skin appearance." Dermatologic Surgery, 31(7 Pt 2), 860–865. PubMed
Draelos Z.D., Matsubara A., Smiles K. (2006). "The effect of 2% niacinamide on facial sebum production." Journal of Cosmetic and Laser Therapy, 8(2), 96–101. PubMed
Snaidr V.A., Damian D.L., Halliday G.M. (2019). "Nicotinamide for photoprotection and skin cancer chemoprevention: A review of efficacy and safety." Experimental Dermatology, 28(S1), 15–22. PubMed

AHA / BHA Exfoliation

"Refines skin texture, minimizes pores, and promotes cell turnover for a brighter complexion."

American Academy of Dermatology. "Chemical peels: Overview." Clinical guidance for patients and clinicians. aad.org
Tang S.C., Yang J.H. (2018). "Dual effects of alpha-hydroxy acids on the skin." Molecules, 23(4), 863. PubMed
Arif T. (2015). "Salicylic acid as a peeling agent: a comprehensive review." Clinical, Cosmetic and Investigational Dermatology, 8, 455–461. PubMed

Hyaluronic Acid

"Hydrates skin and maintains moisture balance without clogging pores."

Papakonstantinou E., Roth M., Karakiulakis G. (2012). "Hyaluronic acid: A key molecule in skin aging." Dermato-Endocrinology, 4(3), 253–258. PubMed
Bukhari S.N.A. et al. (2018). "Hyaluronic acid, a promising skin rejuvenating biomedicine: A review of recent updates and pre-clinical and clinical investigations on cosmetic and nutricosmetic effects." International Journal of Biological Macromolecules, 120(Pt B), 1682–1695. PubMed

Ceramides

"Support the skin barrier and lock in moisture."

Spada F., Barnes T.M., Greive K.A. (2018). "Skin hydration is significantly increased by a cream formulated to mimic the skin's own natural moisturizing systems." Clinical, Cosmetic and Investigational Dermatology, 11, 491–497. PubMed
Meckfessel M.H., Brandt S. (2014). "The structure, function, and importance of ceramides in skin and their use as therapeutic agents in skin-care products." Journal of the American Academy of Dermatology, 71(1), 177–184. PubMed

Daily Broad-Spectrum SPF

"Essential daily sun protection to prevent premature aging and maintain even skin tone."

American Academy of Dermatology. "Sunscreen FAQs." aad.org
Skin Cancer Foundation. "All About Sunscreen." skincancer.org
Hughes M.C.B. et al. (2013). "Sunscreen and prevention of skin aging: a randomized trial." Annals of Internal Medicine, 158(11), 781–790. PubMed

Centella Asiatica & Panthenol

"Soothing toner ingredients that balance pH and prep skin for absorption."

Bylka W. et al. (2013). "Centella asiatica in cosmetology." Postępy Dermatologii i Alergologii, 30(1), 46–49. PubMed
Proksch E., Nissen H.P. (2002). "Dexpanthenol enhances skin barrier repair and reduces inflammation after sodium lauryl sulphate-induced irritation." Journal of Dermatological Treatment, 13(4), 173–178. PubMed

Zinc (in Niacinamide formulations & Zinc Oxide SPF)

"Helps regulate sebum production and provides physical UV protection."

Gupta M. et al. (2014). "Zinc therapy in dermatology: A review." Dermatology Research and Practice, 2014, 709152. PubMed
Smijs T.G., Pavel S. (2011). "Titanium dioxide and zinc oxide nanoparticles in sunscreens: focus on their safety and effectiveness." Nanotechnology, Science and Applications, 4, 95–112. PubMed

General Skincare Routine Structure

"Cleanse → Tone → Treat → Moisturise → SPF (AM)."

American Academy of Dermatology. "Skin care." aad.org
Draelos Z.D. (2018). "The science behind skin care: Cleansers." Journal of Cosmetic Dermatology, 17(1), 8–14. PubMed

Important. Glō is not a medical device and does not provide medical advice. The information and recommendations in the app are for general informational and cosmetic purposes only. Individual skin needs vary. If you have a specific skin concern, persistent condition, or are considering using strong active ingredients (such as high-strength AHA/BHA, retinoids, or prescription products), please consult a licensed dermatologist.