WHAT CAUSES HAIR FALL
By HWB Editorial
Scalp Science · 6 Min Read · August 2026
This article explores what causes hair fall and where scalp, follicle and hair care can help.
Hair fall is rarely as simple as finding more strands in the shower.
Some shedding is completely normal. Hair moves through a natural growth cycle, with individual strands continuously growing, resting and eventually shedding. The concern begins when shedding becomes noticeably heavier, continues for longer than expected, or is accompanied by visible thinning or reduced density.
The reasons can be surprisingly varied.
Genetics, DHT sensitivity, changes in the hair growth cycle, nutritional deficiencies, stress, illness, hormonal shifts and scalp conditions can all play a role. Hair breakage can also look like hair fall, even though the underlying issue is different.
Understanding what is happening at the scalp and follicle level makes it easier to choose the right kind of care.
HAIR FALL STARTS WITH THE GROWTH CYCLE
Every strand of hair moves through a cycle. The anagen phase is the active growth stage, when the follicle produces a hair fibre. It can last for several years, depending on the individual and the follicle.
It is followed by the transitional and resting stages before the strand eventually sheds and the cycle begins again.
When the growth phase becomes shorter or more follicles enter the resting or shedding stages earlier than expected, hair may appear thinner over time.
This is why supporting the anagen phase is an important part of the conversation around hair growth and hair density.
HWB approaches this through ingredients selected specifically for growth-phase support. AnaGain™ is a key active in this area, while biotin, caffeine and L-Carnitine Tartrate complement the formula's broader approach to hair and follicle care.
The objective is not to promise that one ingredient can stop hair fall. It is to support the conditions associated with healthier-looking growth while the broader causes of shedding are considered.
WHEN DHT IS PART OF THE PICTURE
For many people experiencing progressive thinning, DHT deserves attention.
Dihydrotestosterone, or DHT, is a hormone derived from testosterone. In genetically susceptible follicles, sensitivity to DHT can contribute to progressive follicle miniaturisation. The affected hairs may gradually become finer and shorter, resulting in reduced density over time.
This is associated with androgenetic alopecia, commonly known as pattern hair loss.
DHT is not the explanation for every case of hair fall. It is one piece of a much larger picture.
This is also why the phrase DHT blocker deserves some context. Hair-care products marketed around DHT support should be evaluated by their ingredients and intended cosmetic role rather than treated as interchangeable with medical treatments for hair loss.
HWB's approach brings together several botanicals selected for DHT-focused hair care, including Saw Palmetto, Rosemary, Black Seed, Bhringraj, Ginseng, Pumpkin Seed and Nettle, alongside Procapil™.
These ingredients form part of a broader follicle-supporting philosophy rather than positioning DHT as the sole cause of hair fall.
HAIR FALL HAS MORE THAN ONE CAUSE
Not every episode of increased shedding is pattern hair loss.
Periods of significant stress, illness, rapid weight changes, hormonal fluctuations and certain medications can affect the hair cycle. Nutritional inadequacies can also matter, particularly when the body does not have sufficient resources to support normal hair growth.
This is where a genuinely scalp-first approach should extend beyond cosmetics.
If shedding is persistent or noticeably increasing, it can be worth discussing potential underlying causes with a healthcare professional and considering whether nutritional markers such as iron, vitamin D, vitamin B12 and zinc should be assessed based on individual circumstances.
Protein intake matters too. Hair is largely made of keratin, a protein, so consistently inadequate protein intake can be relevant to overall hair health.
No shampoo or hair oil can correct an underlying nutritional deficiency.
What cosmetic care can do is support the scalp environment and the condition of the hair while the bigger picture is addressed.
That distinction is important.
