Sunday Riley A+ High-Dose Retinoid Serum - 1 fl oz - Ulta Beauty

This advanced-strength serum delivers a blend of retinoids and retinoid alternatives to fight signs of aging, and improves the look of congested skin. CoQ10 improves the appearance of aging or UV-exposed skin, for a healthier-looking, balanced complexion.
Hawaiian White Honey, Bisabolol, Cactus Extract, and Ginger balance and soothe the skin.

This Sunday Riley product is vegetarian, cruelty-free, and formulated without artificial fragrances, sulfates, parabens, gluten, soy, and phthalates.

How To Use
Apply 1-2 pumps in the evening to clean, dry skin. For targeted instructions, see below: For new retinoid users: Use two days on, two days off. Work your way up to every other day, then to daily, evening use. Follow with a hydrating oil or moisturizer, like CEO Glow or Juno. Use an AHA serum, like Good Genes Lactic Acid Treatment, on alternate nights to sweep away dead skin cells.
Precautions: They do not recommend using retinoids while pregnant. Please consult your doctor before use if you are pregnant or breastfeeding. We always recommend using sunscreen during the day, if using retinoids in the evening.

Clinical Results
In an independent blinded study of 102 women, after 4 weeks:
90% of women saw boosted skin radiance and healthy-looking skin, and agreed the product was gentler than other facial retinoid serums used in the past
88% reported that skin looked brighter
87% of women saw renewed skin

After 6 weeks:
96% of women felt the product was effective in addressing skin concerns
95% of women were happy with the results of the product
92% of women felt the product was gentle and non-irritating
86% of women saw a reduction in the appearance of sun-damaged skin
84% reported that skin clarity was improved and saw a reduction in the appearance of dark spots
82% reported that their skin tone looked more even
80% felt that their lines looked smoother
72% felt that skin appeared less red
71% saw an improvement in the look of expression lines