Fermentable sugars are typical in flavoured lubricants. They contribute to osmolality and provide a food source for candida, so they are a poor match for anyone prone to recurrent thrush — flavoured products are best kept to external use.
Look for instead: An unflavoured formula for anything internal.
WHO/UNFPA guidance suggests personal lubricants stay at or below 380 mOsm/kg, and ideally never exceed 1,200 mOsm/kg, because high-osmolality formulas pull water out of the thin cell layer lining the vagina and rectum. Ingredient lists do not print osmolality, so the practical move is to look for the number on the product page or ask the manufacturer.
Matters more if: sensitive or irritation-prone.
It is not automatically a problem, but it carries a known trade-off worth understanding first. Fermentable sugars are typical in flavoured lubricants. They contribute to osmolality and provide a food source for candida, so they are a poor match for anyone prone to recurrent thrush — flavoured products are best kept to external use.
Its role is sugar. Not automatically a problem, but it carries a known trade-off worth understanding before you rely on the product.
Somewhat — it contributes, though less sharply than glycerin or PEG. WHO/UNFPA guidance suggests personal lubricants stay at or below 380 mOsm/kg, and ideally never exceed 1,200 mOsm/kg, because high-osmolality formulas pull water out of the thin cell layer lining the vagina and rectum. Ingredient lists do not print osmolality, so the practical move is to look for the number on the product page or ask the manufacturer.
An unflavoured formula for anything internal.
Yes. An ingredient list shows what is in a formula, never how much, and two products sharing an ingredient can behave completely differently. The product's own label and instructions always take priority over a general category rating.
Educational information about ingredient categories only — not medical advice, not a product-safety verification, and not a claim that any formula is safe or unsafe for your body. An ingredient list shows what is in a product, never how much. A product's own label and instructions always take priority. Stop and seek care for pain, bleeding, allergic reaction, or worsening symptoms.