The Fanhua Spring is where people take therapeutic baths in richly carbonated water for skin diseases in general and psoriasis and scalp favus in particular.
PUVA therapy is a photochemotherapy. The special knowledge, mechanisms, practice, side effects, efficacy for psoriasis and vitiligo, present progress in PUVA therapy are discussed in this artcle.
At first, they thought it originally contained perfume, but later they concluded that it was some sort of lotion used to treat a skin condition like psoriasis or eczema.