Skin Anatomy

Rook A. Wilkinson D.S., S.J.G. Ebling. The Normal Skin. Text Book of Dermatology, Volume 1, 3rd edition. 1968. pp. 5-30.

A.K. Balan, A.M. Kligman. Skin and Aging. New York: Raven Press, 1989.

Perricone N. The Wrinkle Cure: Unlock the Power of Cosmeceuticals for Supple, Youthful Skin. Warner Books, 2000.

Kligman, L.H. Skin Changes in Photoaging: Characteristics, Prevention and Repair. In Skin and Aging. A.K. Balan and A.M. Kligman, editors. New York: Raven Press, 1989: 331-346.