A mask is a conditioner with more substance and more contact time. It is the step that makes the largest visible difference to hair that has been coloured, heat-styled, or simply grown long enough for the ends to be old.
The four kinds
Repair and reconstruction — for damage from colouring, bleaching or heat. The most commonly needed.
Moisture and nourishment — for dry, rough or frizz-prone hair that is not necessarily damaged.
Volume and density — lighter textures that condition without weight, for fine hair.
Colour care — aimed at keeping dyed hair from dulling.
Choose by your actual complaint. "Damaged and dry" usually means repair first; moisture masks smooth without addressing the cuticle.
The five mistakes
1. Applying to soaking hair. Squeeze the water out first, or the mask dilutes and slides off. This wastes more product than any other error.
2. Applying at the roots. Masks are not scalp products. At the roots they make hair greasy a day sooner and do nothing useful.
3. Not giving it time. Two minutes of a ten-minute mask is a conditioner with extra steps.
4. Under-rinsing. Residue is the usual cause of hair that feels heavy after masking — and it is often blamed on the mask being too rich.
5. Using it every wash. Once or twice weekly. More produces limp, over-conditioned hair.
Doing it properly
- Shampoo, then squeeze water out
- Apply from mid-length to ends
- Comb through with a wide-toothed comb — this distributes it and is the safest moment to detangle
- Leave for the stated time
- Rinse thoroughly, finishing cool
Skip your conditioner on mask days. The two together leave residue.
Heat and time
Wrapping hair in a towel adds warmth, which helps slightly. Leaving a mask on for an hour does not help — the useful contact time is on the label, and past that nothing more is absorbed.
What a mask cannot do
It cannot repair split ends. Only cutting removes those. It does not change hair growth, and it does not undo bleach damage structurally.
What it does: smooths the cuticle, reduces breakage while combing, and makes ends manageable. That is genuinely worth doing, and it works alongside regular trims rather than instead of them.
For the range, see the hair mask guide.