Can underarm hair be shaved?
Jul 18, 2021
Source: Cainiu Health
Dr. Li Ruizhi
Introduction
Underarm hair can be shaved. As long as the skin and hair follicles are not damaged, shaving underarm hair typically has no adverse health effects. Generally, underarm hair will regrow within approximately three months. For those seeking permanent hair removal for aesthetic reasons, laser hair removal or ice-point hair removal can be performed at a reputable hospital or licensed beauty clinic.
Axillary hair refers to the hair growing in the underarm area. Like pubic hair, its appearance results from the onset of sex hormone secretion by the gonads. Axillary hair typically emerges 1–2 years after pubic hair; international reports indicate an average age of onset between 12 and 15 years. Its emergence is one of the earliest signs of puberty. The vast majority of individuals develop axillary hair, which aids in sweat evaporation. So—can axillary hair be shaved? Below, we address this question.
Can axillary hair be shaved?
Axillary hair can indeed be shaved. Provided the skin and hair follicles remain undamaged, shaving generally poses no health risks. Typically, axillary hair regrows within approximately three months. For those seeking permanent hair removal for aesthetic reasons, laser hair removal or ice-point hair removal at a reputable hospital or certified beauty clinic are viable options. Naturally occurring axillary hair serves protective functions: it reduces skin friction and assists in sweat dispersion. Notably, individuals with bromhidrosis (axillary osmidrosis) should carefully consider whether to remove axillary hair, as impaired sweat evaporation may lead directly to redness, itching, and—in severe cases—foul odor in the underarm area. Therefore, patients should decide whether to shave based on their individual circumstances.
Knowledge Extension: What determines the amount of axillary hair?
1. Genetic factors
Axillary hair, like other body hair, is influenced by genetic inheritance. It is common to observe that children of parents with sparse body hair tend to have similarly sparse hair growth. Conversely, if an individual exhibits excessive axillary hair, examining family members may reveal similar traits—indicating a hereditary pattern. This tendency often extends beyond the underarms to other body areas as well.
2. Hormonal secretion
The human body continuously secretes hormones, with particularly heightened activity during puberty. Accelerated physical development during this stage coincides with increased hormonal output, thereby stimulating faster hair growth. However, individual variations in constitution, living environment, dietary habits, and lifestyle all contribute to differences in hormonal secretion patterns.
The above outlines whether axillary hair can be shaved. We hope this information proves helpful.
