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In Stock
Complimentary Sleep Glycolic (Full Size 30ml)
When you spend £85 on Medik8
Medik8 Sleep Glycolic Full Size 30ml. Adds to bag automatically.Please note we are unable to ship Medik8 products to the China, Macao, Hong Kong and Taiwan
Vitamin A taken to new age-defying heights. Crystal Retinal™ is a cult advanced anti-ageing serum crafted with stabilised retinaldehyde (retinal), a next-generation form of vitamin A. Not to be confused with classic form """"retinol"""", retinaldehyde has been desmonstrated in multiple scientific studies to harness improved efficacy compared to retinol, but without any added irritation.
Delivering results comparable to clinical-grade vitamin A, retinal is proven to work up to 11 times faster than retinol. Stabilised using patented crystal encapsulation and a patent pending carrot seed complex, this results-focussed overnight serum visibly minimises fine lines and wrinkles; helping to resurface skin texture and create an overall youthful complexion. The vitamin A is released gradually into the skin throughout the night, for minimal irritation.
Featuring hyaluronic acid and glycerin to draw moisture to every level of the skin, infusing skin with hydration and leaving it visibly supple.
Not only designed to target signs of ageing, Crystal Retinal helps to reduce blemish-causing bacteria, visibly improving skin clarity.
Medik8 offer progressive concentrations of Crystal Retinal products which form the Medik8 Crystal Retinal Ladder. Crystal Retinal 1, containing 0.01% retinaldehyde, is recommended as a starting point for those with more sensitive skin before moving to Crystal Retinal 3.
Medik8 recommend a simple, highly effective anti-ageing strategy of using vitamin C and sunscreen in the morning and vitamin A at night. This strategy is called: CSA.
Key Benefits
- 0.01% retinaldehyde, stabilised in a crystal encapsulation
- A youthful-looking complexion
- Results up to 11x faster than retinol
- Visibly improves lines and wrinkles, sun damage and uneven skin tone
- Reduces the appearance of blemishes
- Hyaluronic acid and glycerin hydrate the skin at every level
SKU# UK200030070
After cleansing in the evening, apply an amount of Crystal Retinal across the face, neck and décolletage. Allow to absorb into skin before applying your moisturiser.
Crystal Retinal application should be phased in gradually, and only use in the evening. Use twice a week for the first 2 weeks, every other night for the next 2 weeks, then every night. Always wear sunscreen the following morning while using this product, and for a week afterwards. Consult a doctor pregnant or breastfeeding.
UK STANDARD DELIVERY - £4
Free when you spend £20
Delivery within 2-4 working days.
UK NEXT DAY DELIVERY - £5
Free when you spend £100
CLICK & COLLECT - FREE
Collect your order from any of our stores within 2-4 working days.
EXPRESS CLICK & COLLECT - FREE
Collect your order from one of our stores within 1 hour.
Select 'Find in Store' on the product page to check whether your item is available for Express Click & Collect
2 HOUR DELIVERY - £8
Free for when you spend £100.
Receive your order within 2 hours from a local store.
Service will show at checkout if available. Only certain postcodes are eligible for our 2 hour delivery service.
We ship worldwide! Find out more about our international shipping options on our delivery page.
RETURNS
Buy with confidence thanks to Space NK’s 100% Satisfaction Guarantee
Unopened product can be returned for a full refund or exchange within 28 days of purchase with proof of purchase.
Opened or used products that you are not completely satisfied with can be returned for an exchange within 28 days of purchase with proof of purchase.
Summary of Customer Ratings & Reviews
Average Customer Ratings
nathaliemarie95
Location: Winchester
Reviews: 1
Age Under 30
Skin Type: Combination
Gender Female
Brilliant starter retinal
Love this formula; feels so luxurious being a cream that smells amazing too. Noticed such a difference in the texture of my skin, no bad reactions to it so in a really stable form and catered for sensitive skin too. Love how you can move up the strengths when you’ve finished each bottle, too!
Best Use: Breakouts & Acne, Uneven Skin Tone, Wrinkles, Uneven Skin Texture
Recommends this product ✔ Yes
Louise36
Reviews: 1
Age Under 30
Skin Type: Normal
Gender Female
LOVE
I loveeeeeee this product so much I cannot even describe! It can cause a little dryness at first when using it for the first couple of weeks but as long as you are consistent with it and only have breaks when necessary you’ll be absolutely fine (I use 3 days on, 1-2 off) it just makes your skin look so much better, even if you use vitamin c and acids like I do you’ll still see a massive difference in your skin. Love the stuff. Smells amazing too. Very sweet / almondy almost.
Best Use: Breakouts & Acne, Uneven Skin Tone, Fine Lines, Hyperpigmentation, Uneven Skin Texture, Brightening, Anti-Aging
Recommends this product ✔ Yes
Marie Tar
Location: Ukraine
Reviews: 3
Age 30-45
Skin Type: Sensitive
Gender Female
Effective
I have very delicate and sensitive skin that easily becomes red. I want to incorporate retinol into my routine for anti-aging purposes and also I have some very small breakouts on my forehead pretty often. This product solves both of my problems, so I am happy with it. I use it every 3d day after calming serum, i's hydrating enough for me so I usually do not put cream after this serum. I notice that my breakouts and fine lines decrease and now I have much clearer skin. So I can recomend this product.
Best Use: Breakouts & Acne, Fine Lines, Uneven Skin Texture, Visible Pores, Anti-Aging
Recommends this product ✔ Yes
Liliia
Location: Finland
Reviews: 26
Age 30-45
Skin Type: Combination
Gender Female
Perfect fro begginers
I was really afraid to introduce retinal to my routine but this one got my attention as a mild one to start with and I am happy with the results without any irritation. The skin feels just fine, became plumper and I am about to finish this tube and move to a bit stronger one. I recommend!
Best Use: Loss of Firmness, Anti-Aging
Recommends this product ✔ Yes
M26
Location: Moscow, Russia
Reviews: 1
Age Under 30
Skin Type: Sensitive
Gender Female
Great gentle retinol
I have very sensitive, rosacea prone skin and this didn’t cause any irritation. Great product, absolutely in love with it. The next day skin looks extra smooth. Highly recommend for retinol beginners. I was following the instructions that came with the product and had no problems with the product whatsoever.
Best Use: Uneven Skin Tone, Uneven Skin Texture, Anti-Aging
Recommends this product ✔ Yes