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Guide: Everything You Need to Know About Vitamin A / Retinol

  • March 05, 2026
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  • Skinroller

Skincare with Retinol

Retinol skincare can be confusing. The most important thing is to understand which ingredients suit your skin. What ingredients a skin needs is highly individual and there is absolutely no one-size-fits-all answer. Vitamin A is an ingredient that I recommend to many customers, precisely because Retinol works for so many different skin conditions. What makes Vitamin A special? How do you use a Retinol cream? Is Retinol dangerous? We'll go through the basics of this super ingredient. Read on to learn the science behind Retinol.

Retinoids and Vitamin A Through History

Retinoids are powerful skincare ingredients that are all derived from Vitamin A. They have proven to be effective at reducing wrinkles and acne. As early as the 1930s, it was discovered that a deficiency in Vitamin A can contribute to the skin aging faster. In the 1940s, the first forms of Vitamin A were developed: Retinyl Palmitate and retinoic acid. In the mid-1950s, Retinyl Palmitate began to be used to treat aged skin. In 1964, a study showed that oral intake of Retinol supplements could protect the skin from sun damage. Five years later, retinoic acid, also known as Tretinoin or Retin-A, began to be used to treat acne. It was later discovered that a Retinol cream also improves sun-damaged and aged skin.

In 1987, Dr. Des Fernandes proved that Retinyl Palmitate provides clear results in repairing photo-damaged skin. In summary, retinoids, such as Retinol, Retinyl Palmitate, and Tretinoin, are essential ingredients for scar treatment, anti-aging, and clearing breakouts.

The Need for Vitamin A

As we age, the skin's need for Vitamin A increases. This is because Retinol, an active form of Vitamin A, is broken down by UV light and oxygen. Using skincare with Retinol is therefore a crucial step to strengthen and protect the skin.

If you have dry skin or are sensitive to strong skincare products, a Serum or Retinol cream with Retinyl Palmitate, such as our INTENSE Retinol + Vitamin E, can be a gentle alternative. A Retinol Serum or a Face Cream with Vitamin A are excellent choices for replenishing the skin with this essential vitamin.

The Vitamin A Conversion Process

The skin has its own process where Retinyl Palmitate is converted into Retinol, the form of Vitamin A the skin uses. Following that, two more steps occur:
Conversion to retinaldehyde.
Conversion to retinoic acid, which is the same active form used in medical products like Tretinoin or Retin-A. It is precisely this conversion process that makes Retinol and Retinyl Palmitate such powerful skincare ingredients. They help with everything from aged skin to sun damage and are ideal for those who want a healthier complexion.

The Function of Retinoids

The result of retinoids is that they speed up cell renewal so that dead skin cells are shed faster and new, healthy cells come to the surface. A myth about retinoids is that they thin our skin, which is not true at all - instead, they stimulate collagen production. Collagen plumps the skin, making it smooth and firm. Another positive effect of retinoids is that they reduce and prevent pigmentation. Because cell renewal is accelerated, pigmentations are moved closer to the skin's surface. Retinoids also have an inhibiting effect on the skin's melanin production and improve the appearance of pores.

Different Types of Vitamin A

All different forms of retinoids must be converted into retinoic acid on the skin to have an effect. An exception is Tretinoin, which is already pure retinoic acid from the start.

Tretinoin

Pure retinoic acid. The most strong