Science
The ingredients in Sun Powder are research backed and clinically studied. Below are a number of studies which show the efficacy of various compounds in Sun Powder on skin health.
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A Phase 3 Randomized Trial of Nicotinamide for Skin-Cancer Chemoprevention
Chen AC, Martin AJ, Choy B, et al. N Engl J Med. 2015 Oct 22;373(17):1618-26. doi: 10.1056/NEJMoa1506197. PMID: 26488693. -
Oral nicotinamide reduces actinic keratoses in phase II double-blinded randomized controlled trials
Surjana D, Halliday GM, Martin AJ, et al. J Invest Dermatol. 2012 May;132(5):1497-500. doi: 10.1038/jid.2011.459. PMID: 22297641. -
Nicotinamide enhances repair of ultraviolet radiation-induced DNA damage in human keratinocytes and ex vivo skin
Surjana D, Halliday GM, Damian DL. Carcinogenesis. 2013 May;34(5):1144-9. doi: 10.1093/carcin/bgt017. PMID: 23349012. -
The impact of oral Polypodium leucotomos extract on ultraviolet B response: A human clinical study
Kohli I, Shafi R, Isedeh P, et al. J Am Acad Dermatol. 2017 Jul;77(1):33-41.e1. doi: 10.1016/j.jaad.2017.01.044. PMID: 28341348. -
The potential effect of Polypodium leucotomos extract on ultraviolet- and visible light-induced photoaging
Pourang A, Dourra M, Ezekwe N, et al. Photochem Photobiol Sci. 2021 Sep;20(9):1229-1238. doi: 10.1007/s43630-021-00087-x. PMID: 34449075. -
Oral Polypodium Leucotomos Extract and Its Impact on Visible Light-Induced Pigmentation in Human Subjects
Mohammad TF, Kohli I, Nicholson CL, et al. J Drugs Dermatol. 2019 Dec 1;18(12):1198-1203. PMID: 31859468. -
Beneficial Effects of Multi-Micronutrient Supplementation with Collagen Peptides on Global Wrinkles, Skin Elasticity and Appearance in Healthy Female Subjects
Gibson R, Krug L, Ramsey DL, et al. Dermatol Ther (Heidelb). 2024 Jun;14(6):1599-1614. doi: 10.1007/s13555-024-01184-2. PMID: 38811471. -
Exploring the Impact of Hydrolyzed Collagen Oral Supplementation on Skin Rejuvenation: A Systematic Review and Meta-Analysis
Dewi DAR, Arimuko A, Norawati L, et al. Cureus. 2023 Dec 9;15(12). doi: 10.7759/cureus.50231. PMID: 38192916. -
Low-molecular-weight collagen peptides supplement promotes a healthy skin: A randomized, double-blinded, placebo-controlled study
Seong SH, Lee YI, Lee J, et al. J Cosmet Dermatol. 2024 Feb;23(2):554-562. doi: 10.1111/jocd.16026. PMID: 37822045. -
Evaluating Oral Glutathione Plus Ascorbic Acid, Alpha-lipoic Acid, and Zinc Aspartate as a Skin-lightening Agent: An Indonesian Multicenter, Randomized, Controlled Trial
Sitohang IBS, Anwar AI, Jusuf NK, et al. J Clin Aesthet Dermatol. 2021 Jul;14(7). PMID: 34840651. -
Glutathione and its antiaging and antimelanogenic effects
Weschawalit S, Thongthip S, Phutrakool P, et al. Clin Cosmet Investig Dermatol. 2017 Apr 27;10:147-153. doi: 10.2147/CCID.S128339. PMID: 28490897. -
The clinical effect of glutathione on skin color and other related skin conditions: A systematic review
Dilokthornsakul W, Dhippayom T, Dilokthornsakul P. J Cosmet Dermatol. 2019 Jun;18(3):728-737. doi: 10.1111/jocd.12910. PMID: 30895708. -
Oral administration of hyaluronic acid to improve skin conditions via a randomized double-blind clinical test
Gao YR, Wang RP, Zhang L, et al. Skin Res Technol. 2023 Nov;29(11). doi: 10.1111/srt.13531. PMID: 38009035. -
Oral intake of a new full-spectrum hyaluronan improves skin profilometry and ageing: a randomized, double-blind, placebo-controlled clinical trial
Michelotti A, Cestone E, De Ponti I, et al. Eur J Dermatol. 2021 Dec 1;31(6):798-805. doi: 10.1684/ejd.2021.4176. PMID: 34933842. -
Oral Hyaluronan Relieves Wrinkles and Improves Dry Skin: A 12-Week Double-Blinded, Placebo-Controlled Study
Hsu TF, Su ZR, Hsieh YH, et al. Nutrients. 2021 Jun 28;13(7):2220. doi: 10.3390/nu13072220. PMID: 34203487. -
Astaxanthin Protects Ultraviolet B-Induced Oxidative Stress and Apoptosis in Human Keratinocytes via Intrinsic Apoptotic Pathway
Chung BY, Park SH, Yun SY, et al. Ann Dermatol. 2022 Apr;34(2):125-131. doi: 10.5021/ad.2022.34.2.125. PMID: 35450317. -
Astaxanthin, a xanthophyll carotenoid, inhibits ultraviolet-induced apoptosis in keratinocytes
Yoshihisa Y, Rehman MU, Shimizu T. Exp Dermatol. 2014 Mar;23(3):178-83. doi: 10.1111/exd.12347. PMID: 24521161. -
The Xanthophyll Carotenoid Astaxanthin has Distinct Biological Effects to Prevent the Photoaging of the Skin Even by its Postirradiation Treatment
Imokawa G. Photochem Photobiol. 2019 Mar;95(2):490-500. doi: 10.1111/php.13039. PMID: 30338860. -
Protective effects of astaxanthin on skin deterioration
Tominaga K, Hongo N, Fujishita M, et al. J Clin Biochem Nutr. 2017 Jul;61(1):33-39. doi: 10.3164/jcbn.17-35. PMID: 28751807.