A very stable and lightweight oil serum with the highest concentration of direct retinol in this range from the renowned brand "The Ordinary". It contains a potent 1% pure retinol concentration dissolved in a moisturizing squalane oil base, making it the ideal choice for experienced retinol users whose skin has built up stable tolerance and who wish to achieve maximum results for combating deep wrinkles and skin cell renewal.

Key Features and Benefits (as stated on the packaging):

• Potent 1% Pure Retinol Concentration (Retinol 1% in Squalane / Solution of 1% Pure Retinol): The highest concentration in this series, designed for skin accustomed to retinol to deliver strong and noticeable results in reducing signs of aging, stimulating collagen production, and smoothing texture.

• Squalane Base (in Squalane): Dissolved in moisturizing and very light squalane, which provides soft hydration to the skin and reduces severe redness and irritation associated with high retinol concentrations.

• Highly-Stable, Water-Free Solution: Completely water-free to ensure maximum stability of retinol molecules and protect them from degradation, thus delivering the highest possible efficacy.

• UV Protective Packaging: Dark glass packaging protects retinol from photodegradation and oxidation.

• Clinical Formulations with Integrity: High-quality, pure formula meticulously designed.

• Size and Capacity: Comes in a dark glass bottle with a dropper, with a capacity of 30 ml (1 fl oz).

Correct Usage Instructions:

Professional Tip: Due to its high concentration (1%), it is only recommended for skin that has successfully used 0.2% and 0.5% concentrations. It should be used only at night, followed by sunscreen application the next morning, and stored in the refrigerator after opening.

1. Preparation: Wash your skin with a suitable cleanser and dry it completely (skin must be completely dry before application).

2. Application: Apply a very few drops of the serum to the entire face in the evening as part of your nightly skincare routine (avoid the eye and lip areas).

3. Massage: Distribute it with gentle movements until absorbed by the skin.

4. Gradual Use: Start by using it twice a week, then gradually increase the frequency depending on skin tolerance.

5. Moisturizing: Follow with your preferred moisturizer after a few minutes.

6. Warning: Do not use in conjunction with other retinoid treatments, exfoliating acids (such as AHA and BHA), or direct Vitamin C in the same routine.