Vitamin A, or retinol, is one of the most studied and used ingredients in skin care. Here are some of the main cosmetic benefits of vitamin A:

Reduction of wrinkles and fine lines: Stimulates collagen production and increases cell turnover, reducing the appearance of wrinkles and fine lines, improving the overall texture of the skin and giving it a more youthful appearance.

Acne Treatment: Thanks to its exfoliating and anti-inflammatory properties, it helps prevent the formation of comedones, reduces inflammation associated with acne and promotes the healing of existing acne lesions.

Evens skin tone: Reduces uneven pigmentation, such as dark spots and post-inflammatory hyperpigmentation, improving overall skin tone and making it more even.

Reduction of age spots: Helps reduce the appearance of age spots and freckles by limiting the production and transfer of melanin in the skin.

Reduction of pore size: Helps minimize the appearance of enlarged pores, improving the texture of the skin and making it smoother.

Hydration: While not primarily a moisturizer, it improves the skin's barrier function, reducing moisture loss and keeping skin soft and hydrated.

Compatibility with other ingredients: Can be combined with antioxidants and hydrating agents to maximize their beneficial effects on the skin.

Compatibility with all skin types: Although it may cause dryness and irritation in some cases, it is generally well tolerated by most skin types, including sensitive skin, when used correctly.

In summary, vitamin A, especially retinol, is a powerful and versatile ingredient with numerous benefits for skin health and appearance, and is widely used in a wide range of skin care products.