Why it matters:

As estrogen levels drop, sweat can become more concentrated and pungent, making breathable fabrics more important than ever.

What helps:

Choose natural fibers like cotton, linen, bamboo, or modal, particularly for underwear, bras, and tops worn close to the skin.

2. Rewearing Bras or Undergarments Too Long

Bras and shapewear absorb sweat, skin oils, and bacteria—even if they don’t feel “dirty.” Rewearing them multiple days in a row allows odor to build up unnoticed.

Why it matters:

Areas under the breasts are prone to moisture retention and bacterial growth, which can lead to sour or musty smells.

What helps:

Rotate bras daily and wash them after 1–2 wears. Allow them to fully air-dry between uses.

3. Not Fully Drying After Bathing

Moisture left in skin folds—under breasts, between toes, around the groin, or behind knees—can quickly lead to bacterial or fungal growth.

Why it matters: