Master the art of summer skincare layering with expert advice, barrier-boosting ingredients, and science-backed alternatives ...

Osteoarthritic joints contain lower-molecular-weight (MW) hyaluronan (hyaluronic acid, HA) than healthy joints. To understand the relevance of this HA size effect for joint lubrication, the friction ...

Water-based lubricants: These are the most common type. They are gentle on sensitive skin and safe to use with all condom types. However, they tend to dry up quickly and may require frequent ...