Hyaluronic acid is generally considered safe for sensitive skin. Its hydrating properties can help soothe and moisturize, potentially reducing irritation. However, it's always wise to patch-test a new product before applying it to the entire face.

Hyaluronic acid injections are sometimes used to treat knee pain associated with osteoarthritis. These injections aim to lubricate the joint and reduce inflammation, offering temporary relief for some individuals.

Dermatologists often recommend hyaluronic acid serums with minimal added ingredients and fragrance-free formulas for sensitive skin. Look for products with a lower molecular weight hyaluronic acid to ensure better absorption and reduce potential irritation.

Hyaluronic acid is considered safe to use topically during pregnancy. It's a hydrating ingredient that can help combat dryness, which is a common concern during pregnancy. Always consult with a doctor or dermatologist for personalized advice.