RetinoidModern formulation
Retinoids
Retinol, retinaldehyde, retinoic acid and esters
- Category
- Retinoid
- Evidence
- Modern formulation
- Used
- On the skin
- Pairs with
- Ceramides, Niacinamide
Overview
Vitamin A derivatives with the strongest evidence base among topical ingredients for supporting skin renewal and the appearance of aging.
What it is
Retinoids are a family of vitamin A compounds. Prescription retinoic acid (tretinoin) is the most potent; over-the-counter retinol and retinaldehyde must be converted by the skin and act more gently.
Decades of research make retinoids one of the few cosmetic categories with robust evidence for changes in skin texture and photoaging.
How it works
- Bind to retinoic acid receptors in skin cells, influencing gene expression related to cell turnover and collagen.
- Associated with increased epidermal thickness and collagen production over months of use.
- Normalize follicle cell shedding, which is why they are used in acne care.
Potential benefits
- Smoother texture and softened appearance of fine lines
- More even tone
- Support for congestion-prone skin
Potential benefits describe what research and use suggest may occur for many people — not guaranteed outcomes. Individual responses vary.
Who might consider it
- Readers focused on long-term texture and aging concerns
- Adults with persistent congestion (under professional guidance)
How it’s used
- Evening only. Start with a low strength two or three nights a week.
- Apply to dry skin; buffer with moisturizer if needed.
- Sunscreen every morning is essential.
Pairing with other ingredients
- CeramidesBarrier support during the adjustment period.
- NiacinamideMay reduce irritation.
Things to know
- Expect an adjustment period of dryness or flaking — often called retinization.
- Not recommended during pregnancy or breastfeeding; consult a healthcare professional.
- Avoid combining with strong exfoliating acids on the same night while adjusting.
Research
References & further reading
- 01
Retinoids in the treatment of skin aging: an overview of clinical efficacy and safety
Clinical Interventions in Aging, 2006
Summarizes clinical evidence for topical retinoids in photoaging.
Art of Radiance distinguishes established evidence from emerging research and traditional practice. Read our science & sources approach.