Sienna Naturals Lock and Seal Anti-Breakage Oil for Curls This Sienna Naturals Lock and Seal Anti-Breakage Oil for Curls ($22) does what it says. It locks in moisture and prevents breakage, which is all we could really ask for. This product is great for people with type three and four hair, as well as those who wear twist outs and wash-and-go styles. Image Source: target.com Sienna Naturals Lock and Seal Anti-Breakage Oil for Curls $22 from target.com Buy Now