If someone told you that thinning out your hair makes it grow back thicker, they were wrong. This is one of the most persistent myths in hairdressing, right alongside the idea that shaving your beard makes it come in fuller. Neither is true. Thinning scissors remove bulk from the mid-lengths and ends. They do not touch the follicle, and the follicle is the only thing that determines how thick your hair grows.
Why People Think Thinning Makes Hair Thicker
The confusion comes down to a tactile illusion. When hair is thinned with thinning scissors, the cut ends are blunt rather than tapered. As the hair grows back, those blunt ends push through and feel coarser, stiffer, and more noticeable against the scalp and surrounding hair. Your fingers tell you the hair is thicker, but your fingers are lying. The individual strand is exactly the same diameter it always was.
This is exactly the same reason men believe shaving makes their beard grow in thicker. A freshly shaved hair has a blunt tip instead of the natural fine taper. It feels rougher. It looks darker against the skin. But the hair follicle has not changed at all. Shaving does not thicken the beard, and thinning does not thicken the hair.
What Actually Happens After Thinning
After a thinning service, your hair has fewer strands at the mid-lengths and ends. It looks and feels lighter, moves more freely, and sits closer to the head. That is the entire point of thinning. Over the following weeks and months, the hair that was cut shorter during the thinning process grows back to its original length. It does not grow back thicker, faster, or in greater quantity. It simply grows back at the same rate as the rest of your hair, roughly one to one and a half centimetres per month.
Most clients notice the thinning effect lasting three to six months before the bulk returns to pre-thinning levels. At that point, you either book another thinning appointment or try a different approach to managing volume.
The Real Risk: Over-Thinning
While thinning will not make your hair thicker, it absolutely can make it look thinner, and that is the real concern. Over-thinning is one of the most common mistakes made by less experienced stylists. Taking too much weight out of the ends leaves wispy, see-through sections that lack shape and movement. The hair looks damaged even when it is not.
Over-thinning is particularly problematic for fine hair. If you do not have a lot of density to begin with, aggressive thinning can leave the ends looking transparent and lifeless. A good stylist will assess your hair type and density before reaching for the thinning scissors and will always err on the side of taking less rather than more.
How to Add Volume Without Thinning
If your goal is actually to create the appearance of thicker, fuller hair rather than reducing bulk, thinning scissors are the wrong tool entirely. Here are approaches that genuinely help:
- Layered cuts: Internal layers create movement and lift without removing density from the ends. The hair sits higher and appears fuller.
- Volumising shampoo and conditioner: Lightweight formulas that do not weigh hair down. Avoid heavy moisturising products if volume is the goal.
- Blow-dry technique: Drying hair upside down or lifting sections at the root with a round brush creates lasting volume at the base. This is the single most effective trick for fine hair.
- Root lift spray or mousse: Applied to damp hair at the roots before blow-drying, these products give structure and hold where you need it most.
- Texturising spray: A light mist through the mid-lengths adds grip and body to hair that tends to fall flat.
When Thinning Is the Right Choice
Thinning scissors exist for a reason. If you have genuinely thick, heavy hair that does not sit well, pulls at the scalp, or takes forever to dry, removing internal bulk is a legitimate solution. The key is having a stylist who understands where and how much to thin. The best approach is to thin in the mid-lengths only, leaving the ends intact so they maintain shape and weight.
Frequently Asked Questions
Does thinned hair grow back thicker?
No. Thinning scissors cut the hair shaft, not the follicle. The hair grows back at the same thickness and rate as before. The blunt cut ends may feel coarser during regrowth, but this is a tactile illusion, not actual thickening.
How long does it take for thinned hair to grow back?
Hair grows roughly one to one and a half centimetres per month. Most people notice the thinning effect wearing off after three to six months as the shorter layers grow out and the original bulk returns.
Is thinning the same as layering?
No. Layering uses regular scissors to cut sections at different lengths, creating shape and movement. Thinning uses notched thinning scissors to remove individual strands within a section, reducing density without changing the overall length. They achieve different results and are used for different purposes.
Tags
Blog posts