Dr Teo Wan Lin is an accredited skin specialist at TWL Specialist Skin & Laser Centre, and one of Singapore's prominent consultant dermatologists. She is regularly interviewed and consulted as an expert by the media on skincare, skin diseases like acne, sensitive skin and eczema, as well as on new product launches relating to cosmetic ingredients and skin technology. She is widely quoted by women's magazines as a regular contributor and resident beauty specialist for various beauty magazines such as BURO 24/7, Daily Vanity, Female Magazine, Harper's Bazaar, Men's Health and Men's Folio. From 2017, she entered into an exclusive collaboration with Singapore's leading women's magazine Her World, for a monthly "Ask a Dermatologist" feature, which answers some of the most pressing beauty and skincare questions. She was the lead author of the only medical study on pigmentation led by skincare supplement giant, Crystal Tomato®, performed at the National Skin Centre in 2014, published in the Journal of Pigmentary Disorders. She is involved as a beauty panel judge on Singapore Women's Weekly and Her World for their yearly skincare and cosmetic makeup product reviews.

In this book, she presents a unique FAQ format of the commonest beauty questions that is catered to both beauty aficionados as well as sufferers of skin conditions such acne, sensitive skin and rosacea for tips on home skincare.