The nurse is teaching a group of adolescents about care for acne vulgaris. Which interventions will the nurse include in the teaching session? Select all that apply.

Wash skin with mild soap and water twice a day.

Use astringents and vigorous scrubbing.

Avoid picking or squeezing the lesions.

Apply tretinoin (Retin-A) liberally.

Avoid sun exposure if on tetracycline.