Keep your skin and face clean
Wash your mustache area daily with a gentle cleanser
Exfoliate the skin under the mustache 1–2 times per week
Moisturize the skin and hair regularly
Eat a balanced diet rich in protein, vitamins, and minerals
Stay hydrated
Get enough sleep
Exercise regularly
Manage stress
Avoid smoking and excessive alcohol
Let the mustache grow without trimming too early
Trim only after it has filled in
Use a quality mustache comb
Brush the mustache daily to train the hairs
Apply beard oil or mustache balm
Keep the mustache edges neat
Shave stray hairs around the mustache line
Be patient and allow time for growth
Check for skin irritation or ingrown hairs
Consult a dermatologist if growth is patchy or unusually slow