Furthermore, the hair pull test revealed that caffeine shampoo decreased the hairs pulled out by seven percent after three months and by 14 percent after six months of treatment and indicates an increase of hair resistance.
The hair pull test is a simple test that measures the severity of hair loss by gently tugging on strands of hair to assess the level of hair loss.
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According to the dermatological questionnaire the strength of hair significantly improved and the intensity of hair loss was significantly reduced after six months of shampoo application.
Besides the improvement of hair conditions, it reduced typical scalp problems such as scalp itch, scalp dryness and scalp tension after six months of application.
Source: Daily Express
