Pharmaceutical products for topical application, namely, pharmaceutical preparations for use in treating the skin diseases of verruca vulgaris, verruca plantaris, verruca plana, flat condylomata, mosaic-type warts, butcher's warts, hyperplasia of the epidermis, recalcitrant cutaneous warts, herpes infection, genital and anal herpes infection, shingles, Molluscum contagiosum, mycosis, mycosis fungoides, tinea, tinea pedis, pigmentation disorders, hyperpigmentation, hypopigmentation, vitiligo, melasma, atypical/displastic/melanocytic nevi, sun-damaged skin, removal of tattoos, psoriasis, neurodermitis, dermatitis, atopic dermatitis, cutaneous atopy, eczema, lichen planus, cutaneous lupus erythematosus, skin ulcers, rosacea, precancerous and cancerous lesions, increased proliferation of skin cells, actinic keratosis, actinic cheilitis, keloids, lentigo, hemangioma, Epidermodysplasia verruciformis, Bowen's disease, Bowenoid papulosis, basal cell carcinoma, intraepithelial squamous cell carcinoma, melanoma, and other skin cancers, neoplasias, cervical dysplasia, cervical intraepithelial neoplasias, anal intraepithelial neoplasias, vulvar intraepithelial neoplasia, penile cancer, vulvovaginal cancer, anal carcinoma, cervical carcinoma, cutaneous T-cell lymphoma, alopecia, vulvodynia, keloid and hypertrophic scars, post surgical excision on scar cosmesis, hyperkeratosis, seborrhea, Darier's disease, porokeratosis of mibelli, ichthyosis, xerosis, dartroud disthesis, acne, nasal papilloma, oral papilloma, focal epithelial hyperplasia, laryngeal papilloma, recurrent respiratory papillomatosis and conjunctival papilloma