What is witch hazel in skincare?
Witch hazel is an extract of the bark and leaves of Hamamelis virginiana, a North American shrub. Its activity comes from tannins – principally hamamelitannin – which bind proteins and make tissue contract, the classic astringent effect.
The critical variable is formulation. Traditional distillates are preserved with 14 to 15% alcohol, which is what gives many witch hazel toners their reputation for drying skin out. Pharmacological reviews of the plant credit it with antioxidant and anti-inflammatory activity independent of that alcohol.
What skin concerns does witch hazel treat?
It temporarily tightens the look of pores, reduces surface oil and calms minor inflammation, which is why it appears in products for oily and acne-prone skin. Extracts show documented anti-inflammatory and anti-acne effects.
It also soothes insect bites, minor grazes and razor burn. Used daily in an alcohol-heavy form, however, it strips the barrier and can push skin into producing more oil, not less.
What ingredients are best paired with witch hazel?
Choose an alcohol-free formulation and follow it with hydration – hyaluronic acid, glycerin, niacinamide – plus ceramides to keep the barrier intact.
For the concerns it is usually bought for, salicylic acid and niacinamide do more with less collateral dryness. Treat witch hazel as an occasional soothing step rather than a daily toner. Take our Skin Quiz.
What are dark spots?
Dark spots are localised patches where the skin has produced more melanin than the surrounding area. The umbrella term covers sun spots, post-acne marks, melasma patches and freckles – different causes, same visible result.
They are flat rather than raised, vary from light tan to deep brown, and are most noticeable on the face, hands and chest. In deeper skin tones they tend to be darker and to last considerably longer.
What causes dark spots?
Two mechanisms dominate. Ultraviolet exposure triggers protective melanin production, and inflammation – from acne, ingrown hairs, eczema, friction, burns or harsh treatments – leaves post-inflammatory hyperpigmentation behind as it heals.
Hormonal change, some medications and heat add to it. Picking at spots is one of the most avoidable causes: the extra inflammation reliably makes the mark darker and longer-lived than the original blemish.
What ingredients are best for dark spots?
Vitamin C, niacinamide and azelaic acid are the everyday workhorses. For stubborn pigment, alpha arbutin, tranexamic acid, kojic acid and liquorice root extract interrupt melanin production directly.
Retinoids and gentle AHAs clear pigmented cells faster from the surface. Give any routine twelve weeks before judging it, and wear broad-spectrum SPF daily or the spots will simply redarken. Take our Skin Quiz.