There is no established standard dose for this case; it is advisable to consult a professional.
Cochrane review of topical, oral, laser and surgical treatments for sun-damaged skin. Efficacy varies greatly depending on the treatment and adverse effects must be weighed; not all have solid backing.
View the study (study) →Other · Highest evidence: Low-moderate · 1 finding
Information, not medical advice. Prescription drugs require a doctor.
Information, not medical advice. Scientific evidence reflects the quality of the studies.