“I understand on some level that life is linear, that I have lived x number of days thus far and I have more in the basket under my arm than I do in the field before me. But there is something about the sweetness of life that exists deep within me that is unchanged, that will not change. It is the essence of the essence. It seems to be getting sweeter,” writes Gwyneth, ahead of her birthday next week.

Our hair and scalp accumulate sebum (a natural protective oil), hair products, dead skin cells, sweat, and other buildup in the course of everyday living. Over time, this can weigh hair down, making it look dull or feel heavy. Here, the best (clean) ways to clarify hair, leaving it fresh, with renewed volume and shine.