What does new hair growth look like?

If you've just started using red light therapy for hair growth, spotting the first signs of new hair growth is a major milestone. But what exactly are you looking for? New growth can be confused with breakage or damage, here's what to look for, where to look, and what to expect.

Signs of new hair growth

You might not notice new growth straight away, especially in the early stages. Because new hairs are still in the anagen phase of the hair growth cycle, they're typically finer and softer than your existing strands and can be easy to overlook. 

According to the NIH, new hair shafts only become visible at the skin's surface once they enter the later stage of the anagen phase.

Once you know what to look for and where, tracking your progress becomes much easier. 

Signs of new hair growth on the scalp

Some of the earliest signs of new hair growth on the scalp include short, fine hairs standing upright from the scalp, a slight itch or tingling sensation as new follicles become active, and areas that previously looked thinner gradually appear fuller. 

You may also notice a darker shadow close to the scalp as density begins to improve. 

Signs of new hair growth on the top of head

The top of the head is one of the most common areas for new hair growth. Signs of new growth here can include a soft layer of shorter strands sitting beneath longer hair, most visible when hair is air-dried or in natural light.

Signs of new hair growth around the hairline 

The appearance of fine ‘baby hairs’ is an indicator of new hair growth around the hairline. Often wispy and difficult to style in the short term, these new hairs are one of the clearest signs of new growth.

Check these areas every few weeks, ideally in natural light or with a magnifying mirror. You'll be surprised by how much changes. 

Hair breakage vs new growth: how to tell the difference

Wondering how to tell if hair is new growth or breakage? Gently pull one of the short strands and examine the end under good lighting. A tapered tip suggests new growth. A blunt end indicates breakage. 

Here's how to tell them apart:

 

According to the American Academy of Dermatology, damaged hair is fragile and prone to breaking, leaving behind rough, uneven ends that are easy to mistake for new growth. If you're also noticing more shedding than usual, find out why hair falls out.

How LED and laser therapy support new hair growth

When it comes to supporting hair growth at home, two technologies are regarded as the most clinically supported: red light LED therapy and laser light therapy.  

Both work by delivering targeted wavelengths of light to the scalp, waking up follicles and encouraging them to return to the growth cycle, but they do so in slightly different ways. 

LED light therapy uses red and near-infrared wavelengths to energize cells within the follicle, helping them transition from the resting phase into the active growth phase. A clinical study found participants using red light therapy saw 37% more hair growth than those who didn't, with a separate study confirming it encourages hair follicles to become more active.

Laser light therapy, specifically low-level laser therapy (LLLT), delivers a precise beam of concentrated light, stimulating dormant follicles and supporting overall scalp circulation. 

How long does it take to see new hair growth?

Most people begin to notice early signs of new hair growth within 8 to 12 weeks of consistent use. At first, changes are subtle, a slightly fuller parting, fine new hairs at the hairline, or less shedding than before. 

Everyone’s hair is different, so your timeline will be too. But sticking to your routine is key. Progress photos, taken in the same lighting every few weeks, are the most reliable way to track what's actually changing.

Tips on how to get new hair growth 

Alongside LED laser sessions, a few simple habits can support your hair growth results: 

Scalp health is the foundation

Healthy hair starts at the scalp. Keeping your scalp clean, well-hydrated, and free from product build-up gives your follicles the best chance to thrive. Learn how scalp health impacts hair growth and thickness from expert Tom Smith.

Follow a healthy diet

A diet rich in iron, zinc, and vitamin D supports hair growth from within. A peer-reviewed study in Dermatology and Therapy found that not getting enough of these nutrients can contribute to increased shedding and slower regrowth.

Reduce physical stress on your hair

Tight hairstyles, aggressive brushing, and excessive heat can all contribute to breakage, making it harder to see and maintain new growth.

Be consistent with your routine

Like any skincare or hair care routine, regular use is key. The more consistent you are with your hair growth journey, the better your results will be over time.

Spotting the signs is the first step

New hair growth can be easy to miss if you don't know what to look for. Remember, fine, upright strands, a softer hairline, and a gradual increase in density at the scalp are all encouraging signs that your follicles are active.

The key is building a routine that supports that growth consistently and having the right tools to help. From nutrition and scalp care to clinically backed hair growth technology, there are more ways than ever to start your new hair growth journey at home.