Summary
Retinoids are ingredients used in anti-aging products and acne treatments. They can be used topically in creams such as Retin-A or Differin as well as orally in medication such as Accutane. There are different types and strengths of retinoids:
| Type | Strength | Prescription |
|---|---|---|
| Adapelene (Differin) | Very strong | Required |
| Tazarotene | Very strong | Required (excluding Greece, Poland, Spain) |
| Tretinoin (Retin-A) | Strong | Required (excluding Greece, Poland, Romania) |
| Retinaldehyde (retinal) | Medium | Available in over-the-counter products |
| Retinol (vitamin A) | Normal | Available in over-the-counter products |