Please choose the correct ending to complete the given sentence: Philosophy and Religion: [header] How to smooth frizzy hair [title] Wash with a moisturizing shampoo. [step] Frizz is often caused by dryness, so it's important to restore moisture to your hair in the shower. Always use a sulfate-free shampoo.

Ending1: [title] Style with a mid-length rat tail braid with a straight part. [step] This will allow the waves and flyaways to fall back slightly and keep your hair from bogging down. Ending2: Choose a shampoo that is gentle when washing your hair. Avoid shampoo that mixes oils into your hair. Ending3: Sulfates are detergents that are great at cleaning hair, but can also strip your hair of the natural moisture it needs to remain frizz-free. If your hair is dry, sulfate in your shampoo may be the culprit. Ending4: If it causes frizz, however, it can negatively affect your hair. [substeps] If you use shampoo that smells, feels greasy, or isn't quite right for you, use a smoothing shampoo instead.

Answer format: ending1/ending2/ending3/ending4