For perfect-skin obsessives of a certain age, the 1997 book “Absolute Beauty: Radiant Skin and Inner Harmony Through the Ancient Secrets of Ayurveda” was required reading. A primer on the millennia-old system of Indian medicine, written by Ayurvedic doctor and Soho spa owner Pratima Raichur, it helped readers suss out that whole mysterious dosha (bodily…
