Common skin care ingredients -- U

Unipertan: A suntan-accelerating product composed of tyrosine, riboflavin, and collagen. The original form of unipertan employs animal by-products. A number of derivatives and variations of the original unipertan exist, generally designated by letters or numbers. None of the unipertans protect from UV rays or make tanning safe.

Unipertan V-242: A totally vegetable form of unipertan, providing tyrosine (an amino acid essential to the tanning process) and adenosine triphosphate (a vegetable catalyst to the tanning process), in a vegetable collagen base.