Middelkamp-Hup MA, Pathak MA, Parrado C, et al. Orally administered Polypodium leucotomos extract
decreases psoralen-UVA-induced phototoxicity, pigmentation, and damage of human
skin. J Am Acad Dermatol. 2004;50(1):41-9. doi: 10.1016/s0190-9622(03)02732-4.
Liu X, Zhang R, Shi H, et al Protective effect of curcumin against
ultraviolet A irradiation-induced photoaging in human dermal fibroblasts. Mol Med
Rep. 2018;17(5):7227-7237.
doi: 10.3892/mmr.2018.8791.
Asada K, Ohara T, Muroyama K, Yamamoto Y, Murosaki S. Effects of hot water
extract of Curcuma longa on human epidermal keratinocytes in vitro and skin
conditions in healthy participants: A randomized, double-blind, placebo-controlled trial.
J Cosmet Dermatol. 2019;18(6):1866-1874. doi: 10.1111/jocd.12890.
Yıldırım Baş F, Bayram D, Arslan B, Armağan I, Yeşilot Ş, Çiçek E, Yorgancıgil E.
Effect of alpha lipoic acid on smoking-induced skin damage. Cutan Ocul Toxicol. 2017;36(1):67-73.
doi: 10.3109/15569527.2016.1154069.
Astner S, Wu A, Chen J, et al. Dietary lutein/zeaxanthin partially reduces photoaging
and photocarcinogenesis in chronically UVB-irradiated Skh-1 hairless mice. Skin
Pharmacol Physiol. 2007;20(6):283-91.
doi: 10.1159/000107576.
Palombo P, Fabrizi G, Ruocco V, et al Beneficial
long-term effects of combined oral/topical antioxidant treatment with the carotenoids
lutein and zeaxanthin on human skin: a double-blind, placebo-controlled study. Skin
Pharmacol Physiol. 2007;20(4):199-210.
doi: 10.1159/000101807.
Clarke KA, Dew TP, Watson RE, et al. Green tea catechins and their metabolites in human skin before and after
exposure to ultraviolet radiation. J Nutr Biochem. 2016;27:203-10.
doi:10.1016/j.jnutbio.2015.09.001.
Geesin JC, Darr D, Kaufman R, Murad S, Pinnell SR. Ascorbic acid specifically
increases type I and type III procollagen messenger RNA levels in human skin
fibroblast. J Invest Dermatol. 1988;90(4):420-4.
doi: 10.1111/1523-1747.ep12460849.