Lithospermum root contains allantoin and natural purple-red shikonin, which is the ingredient that allows its soaking oil to be dyed deep purple-red.
 
 The naphthoquinone compounds in the comfrey root soaking oil have pharmacological effects such as antibacterial, anti-inflammatory, inhibiting fungi, and promoting granulation tissue regeneration in the process of wound healing.
 
 The comfrey root soaking oil has good antibacterial, repairing and soothing functions. It is very suitable for skin problems such as acne, inflammation, eczema, etc., especially for acne skin. It can significantly experience its mild curative effect. Its repairing function can target injured skin. It has healing and anti-inflammatory effects, and because it contains allantoin, it can moisturize and remove wrinkles and increase skin elasticity.