Sparser Hair

A woman's very long, curly hair with breakage
Photo: Djomas/Shutterstock
Q: I have very long (down to my bottom when pulled straight) curly hair. It seems that as my hair grows longer, the more it thins out. Should I cut my hair shorter to avoid more thinning hair? What can I do to help it stop thinning out?
 
A: It sounds as though you are describing breakage of the hair rather than true hair loss from the scalp.
 
Many people - not just those with curly hair - find that their hair seems thinner (sparser) at the ends than at the scalp. This is usually due to accumulated breakage from rough handling, environmental friction, styling, or heat styling appliances rather than the hair actually growing in thinner from the root.
 
Because curly hair naturally has more bends along the hair shaft, it is often more fragile. Each curve represents a structural weak point where the protective outer cuticle layer is more vulnerable, making it highly prone to snapping as it gets longer.
 
To prevent breakage, you need to ensure the hair remains well-conditioned and elastic. The hair should be conditioned every day, whether you shampoo it or not. Regular conditioning helps replenish vital moisture, smooths the hair cuticle, and reduces the friction that leads to split ends. Using a deep conditioning treatment or hair mask once a week provides essential additional protection for ultra-long strands.
 
In addition, always use a smoothing serum and a leave-in conditioner or detangler whenever you attempt to comb or brush through your hair. These products add "slip," reducing tangles and allowing combs and brushes to glide through the hair with minimal resistance.
 
Crucial Detangling Rule: Never attempt to brush or detangle your curly hair while it is dry, as this causes immediate mechanical snapping. Instead, only detangle when the hair is completely wet or damp and heavily coated with a high-slip conditioner or detangling product.
 
Combing the hair with a wide-tooth comb is highly effective. If you prefer to use a brush, avoid natural boar bristle brushes, which create too much friction on curly textures. Instead, choose a brush with widely spaced, flexible plastic tines that bend rather than force their way through knots, placing significantly less stress on the hair structure.
 
It's also a good idea to limit the use of heat styling tools such as flat irons, curling irons, and high-heat blow dryers. If you do use heat, always apply a heat protectant first and use the lowest effective temperature setting.
 
With hair as long as yours, the sheer weight of the strands can also place extra tension on the roots. In some individuals, this constant downward pulling can contribute to gradual thinning around the scalp (known as traction alopecia), particularly if the hair is frequently secured in tight ponytails. Wearing your hair down or in loose, low-tension styles will significantly reduce this stress on the hair follicles.
 
Nighttime Protection: A major hidden cause of mid-shaft thinning is the friction caused by tossing and turning against standard cotton pillowcases. To protect your length, sleep on a silk or satin pillowcase, or preserve your curls overnight by tucking them loosely into a satin bonnet or silk scarf.
 
To address the current layout of your hair, you may find it helpful to trim off the thinnest, most see-through portions of the ends until you are comfortable with the overall density. Regular trims won't change your biological growth rate, but they will remove fractured ends before they split farther up the hair shaft, instantly giving your hair a fuller, healthier appearance.
 
Finally, if you notice that your hair is becoming noticeably thinner throughout the scalp rather than just at the ends - such as excessive shedding, a widening of your part, or distinct patches of hair loss - it would be highly worthwhile to consult a dermatologist. A specialist should evaluate the issue if breakage alone does not seem to fully explain your symptoms.
 
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See also:
 
Hair combing and brushing basics
 
How to choose the best hair brush for smooth and healthy hair