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Retinoids represent a group of derivative compounds of vitamin A. Although from the same "family," retinoids differ from each other in their structure and strength of action. To work more effectively, they convert into each other along their chain. They are ranked in terms of potency as follows:
RETINYL PALMITATE -> RETINOL -> RETINALDEHYDE /RETINAL/ -> RERINOIC ACID /Tretinoin/.

• Retinyl Palmitate: The weakest retinoid, which is a combination of retinol and palmitic acid (fatty acid). It is often added to products to support the activity of other ingredients such as vitamin C, glycolic acid, and hyaluronic acid.
• Retinol: A fat-soluble vitamin, strong enough to be the most widely used retinoid sold over the counter. Retinol is considered weaker than retinoic acid. Therefore, it is a good idea to use it in higher concentrations and for a longer period of time to achieve similar results. However, it is safer than stronger retinoids. Next-generation retinols aim to avoid the unwanted effects of using old retinol formulas and are often divided into percentages indicating the concentration of the active ingredient. /0.2% |0.3% |0.5% |0.6% |1.0% etc./

It is important to start using retinol products with a low percentage (0.2%) and gradually increase to a higher one, depending on the condition and needs of the skin! Retinol should be applied only in the evening, combined with the use of vitamin C and sunscreen in the morning.

• Retinaldehyde/Retinal: The next strongest retinoid. It does not need to be transformed into retinaldehyde and then into retinoic acid, as with retinol. Retinal is one of the newest varieties of retinoid ingredients, with its emphasized ability to support the same anti-aging benefits as retinol but with faster and more effective action. This type of retinoid is proven to be better tolerated by the skin.
• Retinoic Acid/Tretinoin: Retinoic acid, also known as Retin-A, is found in products available only by prescription. It penetrates the skin directly and binds to cellular receptors. It is undoubtedly the most effective ingredient in combating skin aging that we know of but also elicits the strongest reaction from the skin. Additionally, one of its additional advantages is the prevention and treatment of acne.

How to Use Retinoids?

The use of products containing retinoids is recommended to start slowly and gradually, starting with a lighter formula (e.g., 0.2% retinol) and gradually increasing to over 1%.
Application should start: 2 times a week - in the evening on clean skin, then during the day for 1-2 weeks, and finally every evening. This way, the results will be visible more slowly, but the skin will be prepared, healthy, and protected.
Initially, slight redness, itching, or discomfort may occur, but this is normal. If redness persists for more than 2 weeks, consult a doctor or medical professional.
High-factor sunscreen should be applied every morning! Prolonged use of a product with retinoids results in smoothing of fine lines and wrinkles, improvement of skin tone and texture, and strengthening of the skin barrier. Over time, the skin becomes tolerant to the initial effects of retinoids.

Contraindications
Retinoids are absolutely contraindicated during pregnancy and breastfeeding!
In the case of very sensitive skin or skin conditions, consultation with a specialist is mandatory before starting use!