A different color at any time to change the color does not hit the color, with personal PH value change.
Please store in a dry and cool place, out of direct sunlight.
Caution: This product is for facial use only. If you experience any allergic reactions or other discomfort, please stop using it immediately and keep it out of the reach of children.
The lower the temperature, the lighter the color
The higher the temperature, the darker the color