Can underarm hair be trimmed?

Mar 20, 2020 Source: Cainiu Health
Dr. Liu Wan
Introduction
Armpit hair can be trimmed, but it is generally not recommended for the following reasons: 1. Armpit hair serves a protective function for the skin. 2. Trimming stimulates faster and thicker regrowth—thus, young women should avoid trimming armpit hair solely for aesthetic reasons. 3. Improper trimming techniques pose a risk of self-injury; therefore, trimming armpit hair is not advised.

Axillary hair—hair growing under the arms—is one of the earliest signs of puberty. Like pubic hair, its appearance results from the gonads beginning to secrete sex hormones (both estrogen and testosterone); however, axillary hair typically emerges 1–2 years after pubic hair. In daily life, the vast majority of people develop axillary hair, which aids in evaporating sweat. Some individuals consider trimming their axillary hair for cosmetic reasons—so, is it safe to trim axillary hair? Below, we address this question.

Can axillary hair be trimmed?

Yes, axillary hair can be trimmed—but this is generally not recommended, for the following reasons:

1. Axillary hair serves a protective function for the skin in that area, shielding it from external irritants such as bacteria and dust.

2. Although axillary hair may affect appearance, trimming is discouraged because it can stimulate faster and thicker regrowth. Young women, in particular, should avoid trimming solely for aesthetic reasons.

3. Trimming axillary hair carries a risk of accidental injury due to improper technique; therefore, it is not advisable.

How to remove axillary hair

1. Physical hair removal methods

(1) Shaving

This is the most popular and simplest method of axillary hair removal. All you need is shaving cream or gel and a razor. However, shaving may cause folliculitis and leads to rapid regrowth.

(2) Waxing

Special wax and gauze are required. After heating the wax, apply a thin layer to the underarm area and cover with gauze. Press gently for a short time to ensure firm adhesion to the skin, then quickly pull the gauze off in the direction opposite to hair growth. Though effective, this method is physically demanding and often painful.

2. Chemical hair removal methods

Axillary hair can also be removed using topical or systemic medications. In women, elevated levels of androgens (male hormones) may lead to increased hair growth; in such cases, oral anti-androgen medications—prescribed and monitored by a physician—may help suppress hair growth. Additionally, depilatory creams can be applied evenly to the underarm area. After 5–10 minutes, the hair softens and can be gently scraped away with a spatula.

3. Laser hair removal

Laser treatment offers a long-term solution for axillary hair removal. Performed at reputable aesthetic clinics, laser hair removal can achieve permanent reduction of underarm hair with relatively minimal discomfort and excellent efficacy. The procedure uses intense pulsed light of specific wavelengths that penetrates the skin to target melanin in the hair follicles, generating heat that selectively destroys the follicle.

The above covers whether axillary hair can be trimmed. We hope this information is helpful to you.