Relationship: Skin and vitamin C

Evidence supporting the use of: Vitamin C
For the body system: Skin

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Vitamin C (ascorbic acid) is scientifically validated as an important nutrient for supporting the health of the skin. It plays a crucial role in collagen synthesis, which is essential for maintaining the skin’s structural integrity and elasticity. Collagen is the primary structural protein in the skin, and vitamin C acts as a cofactor for the enzymes prolyl and lysyl hydroxylase, which are required for collagen maturation. Deficiency in vitamin C can lead to impaired collagen formation, manifesting as skin fragility and poor wound healing, as seen in the disease scurvy.

Multiple clinical studies and reviews have demonstrated that vitamin C contributes to skin health through its antioxidant properties, protecting the skin from oxidative stress caused by ultraviolet (UV) radiation and environmental pollutants. Topical and oral supplementation of vitamin C has been shown to improve skin hydration, reduce the appearance of wrinkles, and promote wound healing. Reviews published in journals such as “Nutrients” and “Dermato-Endocrinology” cite substantial evidence for vitamin C’s role in mitigating skin aging and enhancing barrier function.

While most of the evidence focuses on vitamin C’s indirect support of skin health through collagen synthesis and antioxidant effects, it is widely recognized and recommended in dermatology for these roles. However, the evidence for its effects on specific dermatologic conditions beyond wound healing and photoprotection is still being explored.

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Evidence supporting the use of: Vitamin C
For the body system: Skin

Table of Contents

Synopsis

Other ingredients that support Skin

Other body systems supported by vitamin C

Products containing vitamin C

Health Concerns

Brands

Evidence supporting the use of: Vitamin CFor the body system: Skin

Table of Contents

Synopsis

Other ingredients that support Skin

Other body systems supported by vitamin C

Products containing vitamin C

Evidence supporting the use of: Vitamin C
For the body system: Skin