hi, im 20 and have recently lost 40kgs in 10months, ive still got 15kgs more to lose before i start bulking!

To start with i was doing it naturally, then stated on ECA and now am using Clen and T3.

Ive recently noticed that my skin is getting loose and just wondered if there is anything i can do or use to rectify this, do i need to slow down the weight loss to allow skin to shrink back. any help would be greatly appreciated!