article_snippet.sent: The ph is the balance between acidity and alkalinity in your body.
article_snippet.sent: The skin on the face is at The skin on the face healthiest when The skin on the face is slightly acidic.
article_snippet.sent: Acid prohibits bacterial growth that can contribute to acne and helps maintain the skin’s barrier function, keeping moisture in and harmful substances out.
article_snippet.sent: Alkaline skin is more prone to lines, wrinkles and sun damage. '