- vitamin C
- stimulating collagen synthesis and assisting in antioxidant protection against UV-induced photodamage
- probably better ingested orally
- stimulating collagen synthesis and assisting in antioxidant protection against UV-induced photodamage
- tetrinoin
- very effective at .05% conc. for treatment of photodamage, acne, hyperpigmentation
jun 24 2018 ∞
aug 5 2018 +
aug 5 2018 +