... weather trouble. Active main ingredient: EGF,KGF-2, Collagen, HA, ceramide, skin moisturizing factor, hyaluronic acid and ... the dermal layer of fibroblast cell division, proliferation, collagen synthesis, repair damage dermal layer; FGF basic biology role ... of fibroblast cell division, proliferation, collagen synthesis, repair damage dermal layer; PGF can promote collagen secretion; a lot of synergy ...