The Inkey List Retinol The Inkey List Retinol (£10) is a no-frills option for a low strength retinol that delivers. The light, silky texture makes it a dream to apply, and even those with more sensitive skin can often build up to nightly use as it isn't too strong. Image Source: cultbeauty.co.uk The Inkey List Retinol £10 from cultbeauty.co.uk Buy Now