These are the mildest form of benches, there are virtually no alcohol (00-10%), water and humectants such as glycerine. Humectants to help retain moisture on the upper floors of the surface, preventing its evaporation. A famous example of th
is is Rosewater.These tones are the most gentle to the skin and is best suited for use on dry skin, dehydrated, sensitive and normal. This can cause a burning sensation on sensitive skin.
Skin tonic
These are slightly stronger, and contains a small amount of alcohol (up to 20%), water and a humectant ingredient. Orange flower water is an example of a tonic for the skin. Skin tonics are suitable for use on normal, combination and oily skin.
Astringents
This is the strongest form of toner and contain a high proportion of alcohol (20-60%), antiseptic ingredients, water and a humectant ingredient. It is generally recommended for oily skin because they are dry, but it should be noted that the removal of oil from the skin can lead to excess oil production by skin tries to compensate this loss of moisture and prevent it. [Edit] Witch Hazel is an example of an astringent. To prevent dehydration, astringent is best used only on problem areas of the skin, including blemishes.
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