Retinoids in cosmeceuticals.

  title={Retinoids in cosmeceuticals.},
  author={Olivier Sorg and Christophe Antille and G Simşek Kaya and J H Saurat},
  journal={Dermatologic therapy},
  volume={19 5},
Retinoids are natural and synthetic vitamin A derivatives. They are lipophilic molecules and easily penetrate the epidermis. Their biologically active forms can modulate the expression of genes involved in cellular differentiation and proliferation. Retinoic acid (tretinoin), its 13-cis isomer isotretinoin, as well as various synthetic retinoids are used for therapeutic purposes, whereas retinaldehyde, retinol, and retinyl esters, because of their controlled conversion to retinoic acid or their… CONTINUE READING