A hand mask is a short treatment in which the hands are wrapped in a serum-soaked glove or coated with a thick mask formula and left to sit while the ingredients stay in contact with the skin. Salons offer two quite different kinds: moisturising masks that leave hands feeling soft the same day, and exfoliating peel-type masks that cause the surface skin to flake away over the following week.
A moisturising hand mask is usually fifteen to twenty minutes and often bundled into a manicure, sometimes with a warm mitt over the top. Peel-type masks are worn for a specified time — commonly an hour or more depending on the brand — and then rinsed; nothing visible happens at first, and shedding typically begins a few days later and runs for several days. Salons should tell you which type you are booking, because the two have very different social calendars.
Neither is a dramatic service. A moisturising mask makes hands feel supple and looks its best immediately afterwards, with the effect fading over a day or two; a peel-type mask leaves the surface feeling smoother once the flaking has finished, roughly a week after the appointment. Formulations vary widely between brands and product lines, and how much any given product does varies from person to person, so a mask a friend loved may behave differently on your hands.
Moisturising masks work by occlusion and contact time: the glove holds humectants and oils against the skin so water is not lost to the air, and the outer layer softens while it is hydrated. Exfoliating masks use acids such as lactic or glycolic acid, often with fruit-derived ingredients, to loosen the bonds between dead surface cells so they release over the following days. The visible peeling is that surface layer letting go, which is why the effect appears late rather than in the chair.
Moisturising masks suit anyone whose hands feel dry or tight, and they are a comfortable addition to a manicure in cold weather. Peel-type masks appeal to people who want smoother-feeling hands and are prepared for a visibly flaky week — worth avoiding before a wedding, a photo shoot or anything where hands are on display. Skip either over broken skin, sunburn, eczema flares, cuts or a rash, and patch test if you know your skin reacts easily.
With moisturising masks the usual issue is simple irritation from a fragrance or an ingredient you do not get on with — stinging, redness or itching that should settle once it is rinsed off. With acid-based peel masks, leaving them on longer than the instructions say is the common mistake and can leave skin sore, red and over-stripped. Follow the stated time exactly, and stop early if the sensation moves from tingling to burning.
While the skin is shedding, do not pull or pick at loose flakes — let them come away on their own, keep hands moisturised and use sun protection, since freshly exfoliated skin is more sensitive to sun. See a clinician if you get blistering, pain, spreading redness, weeping or a reaction that keeps going. Hand masks are cosmetic care: they make skin feel and look softer or smoother, and they do not treat eczema, dermatitis or any other skin condition.