The peptide has to penetrate the outer skin barrier (stratum corneum), which limits how much active compound reaches the deeper dermal layers where collagen and elastin are produced
These actions help lighten tan, fade pigmentation, and improve clarity by working with each other
5.2.2 Ascorbic acid Ascorbic acid (AsA) or ascorbate, or vitamin C, is a water-soluble vitamin which is commonly found in citrus fruits (lemon), other fruits (guava, kiwi, strawberry), and vegetables such as green pepper, red pepper, broccoli, cauliflower, strawberry, and parsley [160]
Citrus flavonoids and the intestinal barrier: interactions and effects
Choose both if youre looking for the most well-rounded peptide therapy with support for fat loss, muscle, recovery, and performance