The least damaging way to detangle most curly and coily hair is in small sections, while the hair is wet and coated in conditioner, using fingers or a wide-tooth comb and starting at the ends. Rushing, working from the roots down and combing dry, uncoated hair are the habits that most often turn a tangle into a snapped strand.
Why wet and conditioned works best
Two points from the research explain the standard advice. First, conditioners reduce friction between strands and improve combability, which is their main job according to a review of hair cosmetics in the International Journal of Trichology. A strand that glides is a strand that does not catch. Second, the same review links dry combing with short breaks near split ends, and wet combing with longer segment breaks, which tells you that neither is harmless. The aim is less force, not a particular state of dampness.
Cosmetic scientist Michelle Wong adds that hair is weaker and stretchier when wet, because water temporarily breaks hydrogen bonds. Wet hair is therefore more vulnerable to pulling, which is the reason to use lots of conditioner, go slowly and work gently. Do not comb soaking-wet hair without any slip, and do not sleep on wet hair.
| Method | Advantages | Cautions |
|---|---|---|
| Wet, with rinse-out conditioner | Lots of slip, easy to section, tangles release | Hair is weaker when wet, so go slowly |
| Damp, with leave-in | Quick and good for mid-week refreshes | Needs enough product to prevent catching |
| Dry, with oil or leave-in, fingers only | Lets you see knots clearly, suits some tight coils | Dry combing is linked to short breaks, so avoid forcing a comb |
| Dry, with a brush through unprepared hair | Fast | High breakage risk on most textured hair |
Step-by-step technique
- Section the hair into four to eight parts and clip them. Work on one at a time so the rest does not re-tangle.
- Saturate with conditioner. Use more than seems necessary. The American Academy of Dermatology advises concentrating conditioner on the ends, which are the oldest and most fragile part of the hair.
- Finger detangle first. Gently separate large clumps and loosen knots with your fingers, which can feel where a knot starts.
- Use a wide-tooth comb or a flexible detangling brush. Start at the ends and work up in stages, holding the section above the knot with your other hand so the pull does not reach the scalp.
- Do not force a knot. Add more conditioner or a little oil, then tease it apart. A stubborn knot near the end is sometimes better trimmed than pulled.
- Rinse, then style without re-combing. Detangle once per wash where you can, rather than combing repeatedly.
Shedding versus breakage
A ball of hair in the comb after detangling is alarming but is often normal. The NHS notes that losing 50 to 100 hairs a day is normal, and in curly and coily hair, shed strands often stay caught in the curl pattern rather than falling out each day, so they come out together on wash day. A large clump after a week or two of not detangling is expected.
Breakage looks different. Broken pieces are shorter than the rest of your hair and uneven in length. If you repeatedly see short pieces, or hair that feels like it is thinning along the lengths, the cause may be the routine, such as dryness, friction or heat, or something else. If hair is thinning, or you see patches, see a GP, because hair loss is not always caused by hair care.
Splits, trims and length
Split ends form when the cuticle is damaged and the inner cortex is exposed, and the crack can then travel up the strand. A review in the International Journal of Trichology notes that they form readily from friction combined with twisting during grooming and styling. No product mends a split. A conditioner can hold it together temporarily, but only trimming removes it.
Hair grows by roughly half an inch a month according to the American Academy of Dermatology, which is about 1.25 cm. Trimming does not speed that up, so its purpose is to remove damaged ends before the split climbs. Curly and coily hair can often go longer between trims than straight hair, because splits are harder to see. Some people trim every few months and others only twice a year. Frequency depends on how much heat, colouring and friction your ends get. Length retention is mostly about losing less hair than you grow, which is why a gentle routine matters more than any single product.
For the wider routine, see the wash day routine, and for how conditioners work, deep conditioning for textured hair. Hair that has just come out of a style is covered in protective styles without damage.
Choosing tools
A tool matters less than the technique, but a wide-tooth comb with smooth, rounded teeth and no sharp moulding seams is less likely to snag. A flexible detangling brush can work well on well-conditioned hair. Whatever you pick, run a finger along the teeth to check for rough edges, replace anything cracked, and use the tool only on hair that has slip from conditioner or a leave-in.
Frequently asked questions
Should I detangle curly hair wet or dry?
Wet hair coated in conditioner is the usual choice because conditioner adds slip. Dry detangling can work with fingers and a leave-in, but forcing a comb through dry hair risks breakage.
Why do I lose so much hair on wash day?
Shed hairs stay caught in curls until you detangle, so a normal 50 to 100 a day can appear all at once.
Does trimming make hair grow faster?
No. Hair grows at the same rate, and trimming removes damaged ends so you keep more of the length.
How do I tell shedding from breakage?
Shed hairs are full length. Breakage gives short, uneven pieces, and persistent thinning is worth raising with a GP.