Pharmaceutical preparations for the treatment of melasma, keratosis pilaris, dyschromia, acne, scarring, intertrigo, xerosis, rosacea, seborrheic dermatitis, cutaneous infections, eczema, pruritus, and burns; Pharmaceutical preparations for use in dermatology; preparations and substances for the treatment of damaged skin and tissue; Pharmaceutical preparations and substances for the treatment and prevention of dermatological diseases and disorders