Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to prevent ingrown hairs after shaving [title] Exfoliate your skin once a week. [step] If the hair follicle becomes clogged with dead skin cells, an ingrown hair is more likely to develop to prevent as much dead skin from gathering as possible, exfoliate your skin once a week. Apply an exfoliating cleanser to your skin and rub it in using circular motions.

Ending1: Then rinse the exfoliator off. [title] Wash and wet your skin before you shave. Ending2: This may help to clear blackheads from the skin after shaving. [substeps] Though not surprisingly safe, exfoliating regularly is good for the body. Ending3: For a smoothing effect, clean and exfoliate a couple of times per week. [substeps] The exfoliating cleanser provides a barrier between your skin and dead skin cells. Ending4: Exfoliation increases the general circulation of dead skin cells and promotes hair growth. This is the foundation you should strive to help prevent the growth of hairs.

Answer format: ending1/ending2/ending3/ending4