Topical retinoids, including retinol, retinal, and retinoic acid, are vitamin A derivatives that address acne, hyperpigmentation, fine lines, texture, and collagen production. Their key distinction is the number of conversion steps needed to reach the active form, retinoic acid. Retinol requires two conversions, while retinal requires only one, making retinal more potent and faster-acting. Retinoic acid requires no conversion and is the most potent, but it is prescription-only and more prone to causing irritation. Encapsulated retinal serves as an effective over-the-counter alternative by balancing efficacy with skin tolerability. When starting a retinoid routine, application should begin two to three evenings per week with a pea-sized amount before gradually increasing frequency. Proper retinoid care also requires daily sun protection, adequate moisturizing, and avoidance during pregnancy, emphasizing consistency over intensity.