Hair masks sit in an awkward spot in most routines. Use one too rarely and you never see the benefit. Use one too often, or the wrong kind, and hair goes limp, greasy, or oddly stiff. The honest answer to "how often" is that it depends on two things: how much damage your hair is carrying, and what the mask is built to do.
The short answer
For most people, once a week is the right starting point. Move up to twice a week if your hair is very dry, coarse, curly, bleached or heat-styled most days. Move down to once every two weeks if your hair is fine, gets oily quickly, or starts to feel weighed down.
Then adjust based on what your hair actually tells you over three or four weeks. Hair that feels softer and looks glossier is a sign the frequency is right. Hair that feels heavy, flat at the root, or slightly waxy is a sign to space treatments out.
A starting schedule by hair type
| Hair type or situation | Start with | Watch for |
|---|---|---|
| Fine or oil-prone | Every 10–14 days, mid-lengths and ends only | Roots going flat or greasy sooner than usual |
| Normal, minimal heat styling | Once a week | Little to adjust — this is the baseline |
| Thick, coarse or curly | Once or twice a week | Curl clumps loosening, or hair feeling coated |
| Colour-treated or bleached | Twice a week for a month, then weekly | Stiffness or brittleness, a sign of too much protein |
| Daily heat styling | Twice a week | Ends still splitting — heat protection may be the bigger gap |
Moisture masks and protein masks are not interchangeable
This is where most people go wrong. Broadly, masks fall into two camps, and they solve different problems.
- Moisture and emollient masks — built around butters and oils such as shea, mango, coconut and argan. They soften, add slip, and make hair easier to detangle. Our Shea & Mango Butter Moisture Hair Mask sits in this camp.
- Protein and strengthening masks — built around hydrolysed keratin, collagen or amino acids. They temporarily fill gaps in a damaged cuticle, which is why hair feels firmer and less mushy afterwards. Our Keratin & Collagen Hydrating Hair Mask and Keratin, Collagen & Aloe Repair Hair Mask are in this group.
If hair feels dry and rough, reach for moisture. If it feels limp, stretchy and mushy when wet, reach for protein. If you use protein masks two or three times a week for months with no moisture in between, hair can start to feel brittle — the classic sign of protein overload. Alternating between the two is usually the answer.
How to apply a mask so it actually does something
- Start with clean, damp hair. A mask cannot get past a layer of product build-up or excess oil. Shampoo first, then squeeze — do not wring — most of the water out. Soaking wet hair dilutes the mask.
- Skip the scalp unless the product says otherwise. Conditioning masks belong on mid-lengths and ends, which are the oldest and most damaged parts of your hair. Scalp treatments are a separate category — see our scalp care range.
- Section and distribute. Four rough sections is enough. Most people use plenty of product at the front and almost none at the back.
- Comb it through. A wide-tooth comb spreads the mask evenly and does more for your results than any amount of extra product.
- Give it the stated time. Five to twenty minutes depending on the product. Longer is not better once the cuticle has taken up what it can.
- Rinse with cool water. It helps the cuticle lie flat, which is what makes hair look shiny.
Four mistakes that waste a good mask
- Using it as a conditioner every wash. Masks are more concentrated. Daily use is where the heaviness comes from.
- Applying to the roots. Your roots are the newest, healthiest hair. They do not need repairing, and the residue is what makes hair look flat.
- Not rinsing thoroughly. Residue reads as greasy hair the next day and gets blamed on the mask.
- Expecting a mask to fix heat damage you keep creating. A mask improves the condition and feel of hair you already have. If you straighten or curl daily, a heat protectant will do more for the long-term state of your ends than any weekly treatment.
What a mask can and cannot do
A hair mask is a cosmetic product. It improves how hair looks and feels — smoother cuticle, better slip, less visible frizz, more shine. What it cannot do is permanently repair a split end or change the hair growing out of your scalp. Split ends are mechanical damage; only cutting removes them. Growth happens at the follicle, which is a different conversation entirely.
Set your expectations there and masks become genuinely satisfying rather than disappointing.
Where to start
If you are not sure which camp your hair falls into, start with a moisture mask once a week for a month and pay attention. Most dryness complaints resolve there. If hair still feels weak and stretchy when wet, add a keratin-based mask into the rotation.
You can browse the full range in Masks & Treatments, or the damage-focused selection in Hair Repair Masks & Treatments.