9 Main Causes For Slow Hair Growth

Genetics: Inherited traits can affect hair growth rate and thickness.

Nutrient deficiencies: Low levels of zinc, iron, and vitamin D are the most commonTrusted Source nutritional deficiencies linked to hair loss.

 Hormonal Imbalance: Thyroid disorders, hormonal changes during menopause or pregnancy.

Stress: Prolonged stress can cause hair growth slowdown.

Hairstyling and Grooming: Excessive heat styling, tight hairstyles, and rough handling.

Scalp Conditions: Dandruff, eczema, psoriasis, and folliculitis.

Medications May Impact Hair Growth: Slow hair growth or hair loss is a common side effect of a number of medications.

Aging: Hair growth slows down with age due to reduced cell division.

Poor Diet: Consuming unhealthy foods, lack of hydration, and inadequate protein intake.