What is turmeric in skincare?
Turmeric is the rhizome of Curcuma longa, a member of the ginger family, ground into the bright yellow powder used in cooking. Its skincare activity comes from curcuminoids – principally curcumin – which are potent antioxidants and anti-inflammatories.
Curcumin is poorly absorbed and unstable on its own, so modern formulations use extracts or encapsulated forms rather than raw powder. Systematic review of clinical evidence finds genuine but modest benefit across a range of skin conditions.
What skin concerns does turmeric treat?
Its anti-inflammatory action helps acne, eczema, psoriasis and general redness, and its antioxidant capacity works against the free-radical damage behind photoageing. It also inhibits melanin production, which is why it appears in brightening masks.
Research also supports a role in wound healing and several skin disorders. The practical drawback is staining – turmeric is a powerful dye and will tint pale skin and fabric yellow.
What ingredients are best paired with turmeric?
In DIY masks it is traditionally combined with yogurt, honey or oatmeal, which buffer the staining and add their own soothing effect.
In formulated products it pairs well with niacinamide and vitamin C for tone, and with ceramides and squalane for barrier support. Patch test first – curcumin causes contact dermatitis in a minority of people. Take our Skin Quiz.
What is melasma?
Melasma is a common form of acquired hyperpigmentation that appears as symmetrical brown or greyish-brown patches, most often across the cheeks, forehead, upper lip and jawline. It develops when melanocytes – the pigment-producing cells in the skin – become overactive and deposit excess melanin into the epidermis, the dermis, or both.
It is far more common in women and in medium to deeper skin tones, and it behaves as a chronic, relapsing condition rather than a one-off mark – which is why management matters as much as treatment.
What causes melasma?
Three triggers dominate: ultraviolet and visible light exposure, hormonal change (pregnancy, oral contraceptives and hormone therapy – hence its nickname, the mask of pregnancy), and genetic predisposition.
Heat, visible light from sunlight and screens, inflammation from harsh products or aggressive procedures, and certain medications all make existing patches worse. Because the triggers are ongoing, melasma typically fades and returns rather than clearing permanently.
What ingredients are best for melasma?
Daily broad-spectrum sunscreen is non-negotiable, and a tinted mineral SPF containing iron oxides is best because it also screens the visible light that drives pigment production.
On top of that, the most evidence-backed actives are tranexamic acid, azelaic acid, niacinamide, vitamin C, alpha arbutin, kojic acid, liquorice root extract, retinoids and gentle alpha-hydroxy acids. Avoid harsh scrubs and strong heat, both of which can rebound the pigment. Take our Skin Quiz to build a routine around your skin tone and triggers.