请问这句话翻译成英文怎么说?

1.the promise to make your skin 8 years to 15 years younger
2.the promise that let your skin younger 8 to 15 years old
回答的都很好

the promise that let your skin younger 8 to 15 years old

1.the promise to make your skin 8 years to 15 years younger

2.the promise that let your skin younger 8 to 15 years old

3.Let the skin of young 8-15 years of commitment.

都是很不错的答案.

Let the skin of young 8-15 years of commitment.

the promise to make the skin young for 8 to 15 years

young for...: 比...年轻

Let the skin of young 8-15 years of commitment