Why Does Itchiness Occur After Shaving? Unveiling the Common Causes

Itching after shaving is caused by razor irritation, dry skin, or ingrown hairs. Use a sharp razor, shave with the grain, and moisturize.

Common causes

• Razor irritation.
• Dry skin.
• Ingrown hairs.
• Dull blades.
• Shaving against the grain.
• Hair regrowing.

Prevention

• Shave after a warm shower.
• Use shaving cream.
• Shave with the grain.
• Use a sharp razor.
• Moisturize.

Relief

Aloe or hydrocortisone cream.

See a dermatologist

If bumps or pus persist.

Why shaving itches

Itching after shaving comes from razor burn (irritation of the skin surface), razor bumps (pseudofolliculitis barbae) when cut hairs curl back and grow into the skin, and dry skin from losing the top layer. Pseudofolliculitis affects up to 60 percent of Black men who shave, per dermatology literature, and tightly curled hair is more prone.

• Dry shaving and dull blades increase friction. Blades commonly last about 5 to 7 shaves.
• Shaving against the grain gives a closer shave but raises ingrown hair risk.
• New hair growth after shaving feels prickly as the blunt tip pokes the skin.

Prevention and relief

Soften hair with warm water for 2 to 3 minutes, use shaving gel, shave with the grain with light pressure and rinse with cool water. Apply an alcohol-free moisturizer or aloe. A single-blade or electric trimmer set to leave short stubble reduces bumps. Hydrocortisone 1 percent can calm itching for a few days. See a dermatologist for persistent bumps, pus or scars, as options include benzoyl peroxide, retinoids or laser hair removal.

Why shaving itches

Shaving cuts hair to a sharp tip and irritates skin, and when hair regrows it can curl back into skin, causing razor bumps (pseudofolliculitis barbae), which affects up to 60 percent of Black men who shave. Dry shaving, dull blades and shaving against the grain increase irritation.

Relief

Use a sharp razor, shave with the grain after warm water, use shaving gel, rinse with cool water and moisturize. Replace disposable blades after about 5 to 7 shaves. Persistent bumps may need a topical retinoid or a doctor’s advice.

Razor bumps and ingrown hairs

Curly hair can curve back into the skin after shaving, causing inflammatory papules. Using multiple blade razors that cut below the skin line may worsen it. Pseudofolliculitis barbae affects up to 45 to 85 percent of Black men who shave. Folliculitis from bacteria such as Staphylococcus adds pustules.

Shaving technique

Shave after a warm shower, use a clean single or double blade razor, apply gel, shave in the direction of growth, avoid stretching skin and rinse with cool water. Apply fragrance free moisturizer or aloe. Salicylic acid or benzoyl peroxide products reduce bumps. Electric trimmers leave hair 0.5 to 1 mm long and cut fewer ingrown hairs. Laser hair removal is a longer term option.

Based on data from the American Academy of Dermatology