A method of reducing the appearance of skin aging comprising the step of applying a topical composition to the skin of a human exhibiting one or more signs of skin aging selected from fine lines, wrinkles, decreased skin elasticity, decreased light reflection, uneven pigmentation (dyschromia), coarse texture, dryness, solar lentigos, seborrheic keratoses, decreased dermal thickness, and/or increased sebum production, wherein the composition consists essentially of a dermatologically acceptable carrier and a targeted immune response modifier selected the group consisting of: (i) a 5-amino thiazolo[4,5-d]pyrimidin-one compound (ii) an 8-hydroxyadenine compound (iii) an imidazo-1,5-napthyridine compound (iv) a 2-substituted-8-oxodeazapurine (v) methyl 2-(3-{[6-amino-2-butoxy-8-oxo-7H-purin-9(8H)-yl]methyl}phenyl)acetate (vi) 2-(3-{[6-amino-2-butoxy-8-oxo-7H-purin-9(8H)-yl]methyl}phenyl)acetic acid and (iii) methyl 2-(3-(((3-(6-amino-2-butoxy-8-oxo-7H-purin-9(8H)-yl)propyl)(3-(dimethylamino)propyl)amino) phenyl)acetate and (vii) 2-(3-(((3-(6-amino-2-butoxy-8-oxo-7H-purin-9(8H)-yl)propyl)(3-(dimethylamino)propyl)amino)phenyl)acetic acid.