Malic Acid – derived from apples. Properties – gentle exfoliation, antiseptic, improves cell energy and reverses muscle fatigue when taken orally. MaMa lotion.
Mandelic Acid – an alpha-hydroxy acid derived from almonds. Properties – gentle exfoliation and collagen stimulation for improvement of skin discolorations, wrinkles, acne. M2, MaMa lotion, Glytone.
Manuka honey from New Zealand. Contains an enzyme that releases antibacterial hydrogen peroxide. UMF Unique Manuka Factor of 10 or higher is good.
Marshmallow Root Extract (Althea Officinalis) – antioxidant, anti-inflammatory, moisturizing, keratolytic (sheds dead skin cells), wound healing. Epionce.
Meadowfoam Seed Oil (Limnanthes Alba) – anti-inflammatory, skin tightening and firming. Epionce
Meadosweet (Filipendula ulmaria, bridewort) – keratolytic or sheds dead skin cells when applied topically in higher concentrations.
Melaplex – contains phenylethyl resorcinol, leucine, undecylenoyl phenylalanine, sodium glycerophosphate. For brown discoloration – in NeoCutis line.
Melissa (Balm, Lemon Balm, Sweet Balm) – antiviral, to heal Herpes simplex skin lesions, can help h eal mild infections like acne, and contains antioxidants which may be antiaging.
Mineral Oil – moisturizing, may be comedongenic
Mushroom – see Polyporus Umbellatus
Myrothamnus Flabellifolia Extract – from a South African plant, contains quinic acid, a potent antioxidant. In Lumiquin by Revision.