noun. ['ˈrɛtɪˌnɔl'] an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene.
- antiophthalmic factor
- vitamin A1
Sentences with retinol
1. Noun, singular or mass
Apply every other night to start; too much retinol can cause skin irritation.
Although you can use any retinol face cream under your eyes, a formula especially made for this delicate area helps prevent sensitivities or reactions.
3. Verb, base form
Use eye cream daily, especially in the first few weeks while your skin acclimates to retinol.