The important skincare knowledge everyone needs to know from the cosmetic industry's most daring disruptor. The Ordinary is the beauty brand that democratized skincare with the aim of making it more accessible and authentic by putting pure, raw ingredients at the heart of everything. The brand strives to empower the skincare community with clear, accessible information about the science behind each product. Now, in this handsomely designed book, it details the science and practical application of key skincare ingredients--from vitamin B3 and hyaluronic acid to retinol and squalane--in clear and understandable language. This essential guide includes how to read product labels correctly, how to tackle common skin concerns, and how the brand's products are developed. Science is the brand's DNA, and this book shows how to decode and individualize the best skincare regimen for every skin type. Featuring a beautiful package with sleek, minimalist design and striking scientific photography, this is a must-have for anyone interested in beauty and skincare, from novices to experienced devotees alike.