RT-A (Retinol), a form of vitamin A, is a powerful, science-backed ingredient known for its ability to accelerate skin renewal, boost collagen production, and reduce the appearance of fine lines, wrinkles, and hyperpigmentation. As a gold-standard in anti-aging and skin-refining formulations, RT helps improve texture, tone, and overall radiance. Its potency makes it ideal for night-time treatments, working deep within the skin to promote a smoother, more youthful complexion. Trusted by skincare professionals, RT is an essential active for targeted, results-driven formulations.