Start with high-confidence beauty & grooming books, then narrow by subgenre or adjacent topics.
Skincare: the New Edit
Caroline Hirons
Wild Beauty
Jana Blankenship
The Skinny Confidential's Get the F*ck Out of the Sun
Lauryn Evarts Bosstick, Dennis Gross
The Conscious Closet
Elizabeth L. Cline, Penguin Audio
How to Get Dressed
Alison Freer
The Curated Closet
Anuschka Rees
The Beauty Geek's Guide to Skin Care
Deborah Burnes
Natural Homemade Skin Care
Militza Maury
Skintelligent
Dr. Natalia Spierings, Natalia Spierings