- Who
- Sidakdeep Singh Chahal
- What
- 130 centimetre(s)
- Where
- India (Greater Noida)
- When
The longest hair on a living teenager (male) is 146 cm (4 ft 9.5 in), achieved by Sidakdeep Singh Chahal (India) in Greater Noida, Uttar Pradesh, India, in March 2023.
Sidak washes his hair twice a week, dedicating at least an hour each time to showering, drying and brushing it before tying it into a bun.