Ingredients starting with R

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  Renovage

  INCI: Caprylic/Capric Triglyceride (and) Teprenone

  Renovage is a Sederma/Croda cosmetic active associated with Teprenone and used here for cautious pore, tone, redness, and texture appearance support.

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  Resorcinol

  INCI: Resorcinol

  Resorcinol derivatives such as 4-ethylresorcinol are brightening-positioned cosmetic ingredients used in formulas for dark-spot appearance and uneven-looking tone support.

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  Resveratrol

  INCI: Resveratrol

  Resveratrol is an antioxidant polyphenol used in some acne-prone cosmetic formulas.

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  Retinaldehyde

  INCI: Retinal

  Retinaldehyde is a cosmetic retinoid one conversion step closer to retinoic acid than retinol.

• Retinoid Blend

  INCI: Retinoid Blend

  A retinoid blend combines vitamin A related ingredients and should be handled with the same gradual-use caution as retinol products.

• 
  Retinoids

  INCI: Retinoids

  Retinoids are vitamin A–related ingredients used for acne, texture, photoaging, and fine lines, but they are also among the most common causes of peeling and irritation when introduced too fast.

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  Retinol

  INCI: Retinol

  Retinol is a cosmetic retinoid used for fine lines, texture, and photoaging support, but peeling is a sign the routine may be exceeding tolerance.