Retinols

Retinol (C20H30O) increases cell turnover, improves texture, and stimulates collagen synthesis making it a go-to for signs of aging and acne.

Dosage form: Creams, encapsulated serums, prescription gels.

Most common indications:

• Wrinkles and fine lines

• Acne

• Rough or uneven texture

Common products:

• The Ordinary Retinol in Squalane

• ROC Retinol Night Cream

• Differin Gel (Adapalene)

Real-life application:
Used 2–3 nights a week, retinols help fade hyperpigmentation and soften deep lines over time.

Caution: May cause purging or peeling initially—start with low strength and always use SPF during the day.