Start with high-confidence skin care books, then narrow by subgenre or adjacent topics.
Skincare: the New Edit
Caroline Hirons
Happy Skin Kitchen
Elisa Rossi
Younger for Life
Dr. Anthony Youn M.D., Anthony Youn
Feed Your Face
Jessica Wu MD, Jessica Wu
The Skinny Confidential's Get the F*ck Out of the Sun
Lauryn Evarts Bosstick, Dennis Gross
No-nonsense Skincare
Erum N. Ilyas, Erum Ilyas
Natural Skin Care at Home
Liz McQuerry
The Beauty Geek's Guide to Skin Care
Deborah Burnes
Natural Homemade Skin Care
Militza Maury
Skintelligent
Dr. Natalia Spierings, Natalia Spierings
The Korean Skincare Bible
Lilan Yang, Leah Ganse