Vitamin C Serums Ranked — Which Brighten Safely and Which Trigger Sensitivity
Vitamin C is one of the most researched ingredients in skincare for improving brightness, supporting collagen synthesis, and evening skin […]
visit thebeautydoctrine.com for a pre-curated collection of the most skin-compatible products
Because Non-Toxic Doesn’t Always Mean Skin-Friendly.
A Smarter Way to Judge Beauty Products
Our rating system cuts through marketing noise by evaluating what matters most for your long-term skin health. Every product is scored for sensitivity potential, carcinogens, hormonal impact, skin compatibility, and real-world usability.
Most rating systems stop at toxicity. We go deeper, evaluating every formula for long-term compatibility with human skin, accounting for sensitivity triggers like essential oils, citrus extracts, drying alcohols, and more.
Vitamin C is one of the most researched ingredients in skincare for improving brightness, supporting collagen synthesis, and evening skin […]
Retinoids are widely recommended for fine lines, acne, and uneven skin tone. But most people are never taught how to […]
Peptides are everywhere right now — marketed as the answer to firmness, elasticity, bounce, and a “lifted” look. If you […]
Niacinamide is one of the most researched and multifunctional ingredients in skincare. It can help improve uneven tone, support the […]
A healthy skin barrier is the foundation of radiant, stable, resilient skin. When the barrier is intact, the skin can […]
Collagen Confusion: Bovine, Marine, and Vegetarian — What’s Really Best for Your Skin? Collagen has become one of the most […]