Acetyl Hexapeptide-8 and Octapeptide-3- inhibit muscle contraction to reduce appearance of expression lines. Topical Botox-like effect. In Revox II by Revision. See Temple Viper Venom.
Algae extract (Enteromorpha Compressa, Carrageenan, Hypnea/Gelidiela/Sargassum, Ahnfeltia, laminaria digitata) – rich in amino acids, proteins, minerals, vitamins – firms, improves moisture, hydration, and elasticity in the skin, anti-inflammatory, anti-irritant, and helpful for skin renewal. Revision, Skinceuticals, iS Clinical.
Aloe Vera – anti-inflammatory and wound healing, and now reports of it benefitting acne. Fruit of the Earth, SkinMD Natural Shielding Lotion, Aloe Vera Gel, Immuderm healing cream, Revision, iS Clinical, Sircuitskin, Jack Black.
Allantoin – healing and soothing, anti-irritant, helpful for cold sores/blisters. Revision line.
Alpha-Hydroxy Acids – derived from sugar cane (glycolic acid), sour milk (lactic acid), apples (malic acid), grapes (tartaric acid). Commonly used for a superficial peel. Skinceuticals, GlyMed.
Althea Officinalis (see marsh mallow root extract), Epionce.
Ascophyllum Nodosum Extract (Norwegian Kelp) – exfoliates, lighten pigment. iS Clinical.
Aminobutyric Acid – (GABA) – relaxes muscles helping reduce wrinkles. Tingles when applied to skin. Revision Revox II.
Arbutin – a natural skin lightener, in Skinceuticals Primacy Photo +, Revision Brightening Facial Wash (Bearberry leaf extract/ Arctostaphylos Uva Ursi), iS Clinical (Alpha-Arbutin).
Argan – from the fruit of the Moroccan argan tree, moisturizing, hydrating, with tocopherols known for calming inflamed skin. Josie Maran 100% Pure organ oil.
Arnica Montana Extract – stimulates blood flow, anti-inflammatory, wound healing, for muscle soreness, and bruise healing. Teamine Eye Complex by Revision, Dermend, SkinMD Natural Shielding Lotion, Jack Black.
Avocado Oil (Persea Gratissima) – source of omega-3 fatty acids. Skin hydration, softening and elasticity. Epionce.