A hand is using a dropper to add liquid to a small brown glass bottle labeled "less." The bottle is inside a circular glass frame. Surrounding it are clear glass containers, one holding green leaves and another with a clear liquid, all set on a white surface.

Probiotics Balance pH

Acid mantle integrity is key to effective barrier function It is not intuitive to think that something as seemingly inconsequential as pH could have a mighty impact on ageing but…