Food sources of Vit A include foie gras, pts, margarine, butter, cheese, chard, carrots, kohlrabi, spinach, tomatoes, persimmons, apricots, melons, lettuce, leeks, mangoes, plums, peaches, squash, zucchini, asparagus, eggs, oysters, herring, sardines, clams, and more
Rashmi Sarkar, Director Professor at the Department of Dermatology, Leprosy, and Venereology at Lady Hardinge Medical College and Hospital, told me that while topical and oral Glutathione are relatively safer, they should not be used indiscriminately without a dermatologists advice
(1) Loren Pickart and Anna Margolina (2018) Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data International Journal of Molecular Sciences, 2018 Jul 7, Volume 19 (Issue 7), Page 1987
Solution: Ensure you're applying your serum twice daily without skipping days