Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to protect your skin while swimming [title] Shower before you go swimming. [step] Start by rinsing your body with water in the shower. This will ensure you skin is free of perspiration, skin oils, cosmetics and other impurities which may interact with chlorine in the pool to cause irritation to your skin.

Ending1: For added protection, try adding your specially formulated body wash to your shower if you know it will be for 24 hours. [substeps] If you go swimming with a group at pool parties, for example, opt for a free shower with relaxing water and relaxing conditioner on. Ending2: Wetting your skin and hair can also prevent your skin from absorbing more of the chemicals or salt in the water. [substeps] If you are swimming at a pool, there are often showers on site that you can use before you get into the pool. Ending3: [substeps] If you have oily skin, use a mild but soothing face cleanser to help hydrate yourself and reduce the extra oil in your skin. Otherwise, skip the face wash for the shampoo and body scrub afterwards. Ending4: Shower before you swim to prevent drying out your body. [substeps] Start with very cold water, and always flush hot water from your body after a swim.

Answer format: ending1/ending2/ending3/ending4