If you have been debating starting your retinol journey, supermodel Hailey Bieber just shared hers in a very open Instagram post.

Need a bit of a retinol catch up? We got you.

Essentially it's one of the most effective skincare ingredients out there, due to its ability to speed up the skin's cell cycle.

It is proven to reduce fine lines and wrinkles, improve skin texture, reduce scarring, clear acne and help with enlarged pores.

Basically it's a bit of a wonder ingredient that if you can tolerate is a must-have in your routine.

In a new Instagram story post, Hailey shared that she had started her retinol journey with a prescription retinoid (retinoid is the umbrella term for retinols).

"Wrapping my 2nd week of my skin adjusting to a very gently prescription retinoid," she wrote.

"So far, not too much irritation, a few tiny breakouts. Going to give it 4 full weeks before I decide if I need to make any changes."

hailey bieber retinol skincarepinterest
Instagram/haileybieber

We know that Hailey is into her skincare (she has previously shared her simple 4-step routine) and it's clear to see she is taking the upmost care of her skin.

Retinol (especially prescription strength) can cause extreme dryness and reactions in the skin, which is why it's important to take it slow and gradually build up to a stronger dose, otherwise you risk compromising your all important skin barrier.

If you want to start your retinol journey, these are some of our favourite gentle retinols that are a great starting block.

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Laura Capon
Former Senior Fashion & Beauty Writer

Laura is a former writer for Cosmopolitan UK, covering everything beauty and fashion related and specialises in makeup, plus-size fashion and the world of YouTube. Her favourite pastime is reminding everyone of that one time she met Charlie Hunnam and Jason Momoa. Please don't ask to see the pictures...