Serums are a concentrated way to get key ingredients into the skin. Serums can be layered on (normally no more than 3 at a time) without adverse effects. Since serums tend to be light and water based, they are easily absorbed into the skin and suitable for most skin types.
A very soothing and non-drying product that really settles down my skin after cleansing. You get a much better result from your moisturiser afterwards. ...