Product details:

• A 0.5% pure stable retinol oil for powerful anti-ageing effects.
• Infused with squalane and vitamin E to protect your skin from external aggressors, tamp down irritation, reduce skin damage and enhance the effects of the formula.
• Ease into the product by applying no more than three times per week for the first two weeks of usage. Start using every other day from the third week onwards. Avoid daytime use. Pair with the brand’s The Retinol 0.1 Cream for optimal results.
• 20ml

For a beginner who hasn't tried retinol products, use 2-3 times weekly at night time, and apply to the areas of concern only. Starting from week 3 or for experience users, apply the oil to the entire face every night.