Retinol is one of the most beloved skincare ingredients, praised for its effectiveness in combating wrinkles, Acne e skin discolourations. But how does this powerful active really work? In this article, we explain simply and clearly why retinol is a valuable ally in your facial routine and how to use it correctly.
What is retinol and how does it work on the skin
Retinol belongs to the family of retinoids, derivatives of vitamin A, known for decades for their benefits to the skin. Unlike tretinoin (retinoic acid) based medications, which are only available on prescription, retinol is readily available in over-the-counter cosmetics.
Its mechanism is simple but effective:
- Once applied, retinol gradually converts into retinoic acid, the active form that interacts with skin cells.
- Retinoic acid stimulates cell regeneration, increases collagen and elastin production and promotes hydration thanks to glycosaminoglycans such as’hyaluronic acid.
- Helps to reduce sebum production, counteracting the formation of acne and blackheads.
- It helps to reduce dark spots and evens out skin tone.
All the benefits of retinol
This is why retinol is considered a multi-functional ingredient in skincare:
- Fights wrinkles and signs of skin ageing
- Improve skin elasticity
- Prevents and treats acne
- Evens out skin tone and reduces dark spots
- Strengthens the skin barrier, making the skin more resilient
When and how to use retinol in your skincare routine
To get the best results from retinol, it's important to use it carefully:
- Frequency: start with 1-2 applications a week and gradually increase, following your dermatologist's instructions.
- Time of day: Apply it in the evening, as retinol can make your skin more sensitive to the sun.
- Sunscreen: during the day, always use a cream with SPF 30 or higher.
- Don't mix too many actives: avoid combining retinol with other exfoliating or overly aggressive ingredients in the same routine, to protect your skin barrier.
Side effects of retinol: what to know
Although retinol is less potent than prescription retinoids, it can still cause temporary effects such as:
- Dryness and flaking
- Redness and skin sensitivity
- Tightness of the skin“
These symptoms usually resolve with consistent use and proper hydration. If your skin reacts excessively, it is always advisable to consult a dermatologist.
Retinol FAQ
- How long does it take to see results from retinol?
Generally, the first improvements are noticed after about 4 weeks, but the most evident benefits are seen after 2-3 months of consistent use.
- Can retinol be used in the summer?
Yes, but it is essential to apply high SPF sunscreen every morning to protect your skin from UV rays.
- Is retinol suitable for all skin types?
It is suitable for most skin types, but those with very sensitive skin should start with lower concentrations and gradually increase.
- Does retinol help with acne scars?
Yes, thanks to the stimulation of cell renewal, retinol can help to improve skin texture and reduce post-acne scarring.
