What is clay in skincare?
Clay in skincare means fine-grained mineral powders formed from weathered rock – kaolin, bentonite, montmorillonite, French green clay, rhassoul and fuller’s earth are the common ones. Each has a different mineral content and a different appetite for oil.
They work through adsorption and ion exchange: the charged mineral platelets bind sebum, dirt and bacteria on the skin surface. Reviews of clay minerals in dermocosmetics cover their absorbent, cleansing and mildly antibacterial properties.
What skin concerns does clay treat?
Clay masks suit oily, combination and congested skin. A clinical assessment of a clay mask in oily and acne-prone skin found measurable reductions in sebum and improvements in the look of pores.
They also help body breakouts and scalp oiliness. The limitation is duration: the effect is temporary, and over-use dehydrates the skin, which prompts it to produce more oil. Once or twice a week is the sensible ceiling.
What ingredients are best paired with clay?
Match the clay to the skin: kaolin is the mildest and suits sensitive or drier skin, bentonite and fuller’s earth are the most absorbent and suit oily skin.
Blend or follow with soothing, hydrating ingredients – glycerin, hyaluronic acid, aloe, colloidal oatmeal, niacinamide. Rinse the mask before it cracks; a fully dried clay mask pulls moisture out of the skin as well as oil. Take our Skin Quiz.
What is dullness?
Healthy skin reflects light evenly, which is what reads as bright and glowing. Dull skin does the opposite – it looks flat, ashy, grey or sallow, and makeup tends to sit on top of it rather than blend in.
Dullness is not a condition in itself but a visible symptom: a build-up of dead cells, dehydration and reduced microcirculation that together stop light bouncing cleanly off the skin’s surface.
What causes dull skin?
Dead skin cells that do not shed naturally accumulate on the surface and scatter light unevenly. Dehydration flattens those cells so they no longer sit plump against one another, and overly dry skin can damage the follicles and slow the production of collagen and sebum – all of which make the complexion look duller or ashier.
Lifestyle and environment do the rest. Sun exposure, pollution, smoking, alcohol, broken sleep and stress all accelerate free-radical damage, while cell turnover naturally slows with age, so skin loses the reflectivity it had in your twenties.
What ingredients are best for dullness?
Brightening dull skin comes down to three things: gentle exfoliation, consistent hydration and antioxidant protection. Vitamin C, alpha-hydroxy acids such as glycolic and lactic acid, salicylic acid, retinol and vitamin A, niacinamide, green tea extract, coenzyme Q10 and rosehip oil all help resurface, even out tone and defend against free radicals.
Hyaluronic acid and hydrolysed collagen plump the skin so it reflects more light, and daily broad-spectrum sunscreen prevents the UV damage that dulls the complexion in the first place. Take our Skin Quiz to find the exact combination your skin needs.