- Tretinoin for Beginners: A Guide to Getting Started
- Should You Choose Cream or Gel?
- Which Strength is Right for You?
- Tretinoin for Sensitive Skin: How to Use It Safely
- Tretinoin for Acne
- Tretinoin for Hyperpigmentation
- Tretinoin for Wrinkles and Fine Lines
- Tretinoin for General Skin Texture
- Tretinoin for Sun Damage
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Reti K Premium Pure Micro Capsulized Retinol Anti-Aging Cream with Vitamin C E K1 30G EXP 03/26
£29.99 Original price was: £29.99.£19.99Current price is: £19.99.
Z-Block Sunscreen Anti-Aging SPF 50 Water Based Gel 50ml 02/2027
Rated 4.88 out of 5 based on 34 customer ratings
(34 customer reviews)
£24.99
Z-Block Sunscreen provides a silky-smooth, non-oily, matt finish, and a velvety feel sunscreen experience. It makes a great primer for makeup and essential for anyone using Tretinoin Retin A
✔️ Non-comedogenic
✔️ No harmful chemicals
✔️ No animal testing
✔️ Preservative-free
✔️ Very water-resistant (80 minutes)
✔️ Animal cruelty-free
Description
Description
SPF 50 sunscreen with 25% zinc oxide: product summary
Z-Block is a water-based gel sunscreen with SPF 50 and 25% zinc oxide. The 50ml cosmetic product provides broad-spectrum UVA and UVB protection. Patch test it before use, then follow the label for application and reapplication.
The expiry shown is 02/2027. Reapply after prolonged water exposure or excessive sweating, as directed. See SPF 50 sunscreen products.
Last reviewed: September 2026.
Key facts
| Product name | Z-Block Sunscreen Anti-Aging SPF 50 Water Based Gel 50ml 02/2027 |
|---|---|
| Active ingredient and level | Zinc oxide 25% |
| SPF | 50 |
| Format and size | Water-based gel, 50ml |
| Expiry | 02/2027 |
| Regulatory status in the UK | Cosmetic product |
How SPF 50 sunscreen with 25% zinc oxide is generally used
- Read the label and patch test a small area before wider use.
- Apply the gel to exposed areas as directed, keeping it away from the eyes and mouth.
- Massage it gently over the intended skin until it has been worked in.
- Reapply after prolonged water exposure or excessive sweating.
- Reapply after towel drying where the label directs, because drying can remove product from the skin.
- Stop if severe irritation or swelling develops and seek advice if the reaction persists.
Follow the packaging when reapplying sunscreen. Results vary.
Mineral sunscreen safety
Patch test it, particularly if your skin is sensitive or you use a retinoid. Keep the gel away from the eyes and mouth. Ask a pharmacist or doctor about persistent reactions. Stop if severe irritation or swelling occurs.
Frequently asked questions
What is an SPF 50 sunscreen with 25% zinc oxide?
Z-Block is a cosmetic mineral sunscreen in a water-based gel. It contains 25% zinc oxide and provides SPF 50 with UVA and UVB coverage. Patch test it first and use it according to the label, including the reapplication directions.
How should Z-Block sunscreen be applied?
Apply the gel to exposed areas and massage it gently until it has been worked in. Keep it away from the eyes and mouth. Reapply after prolonged water exposure or excessive sweating, including after towel drying where the label directs. Follow the packaging for complete instructions.
Does it contain zinc oxide 25%?
Yes. Zinc oxide is included at 25%. Other ingredients include butyl methoxydibenzoylmethane, diethylhexyl butamido triazine and glyceryl stearate. Check the complete ingredient list on the packaging, patch test before wider use and stop if irritation develops. Results vary between users and uses.
Can it be used with a retinoid?
A sunscreen can form part of a routine that includes a retinoid. Ask a pharmacist or doctor about your routine, patch test the gel and apply it as directed. Stop if severe irritation, swelling or discomfort occurs, and seek advice if the reaction persists.
What are the size and expiry of this 50ml sunscreen?
This is a 50ml water-based gel, and the expiry shown is 02/2027. Check the packaging when it arrives and do not use the product after expiry. Ask a pharmacist or doctor if the details differ or if you have questions about its use.
Product information is not medical advice. This is a cosmetic product. Patch test before use, follow the label and remember that results vary.
Application method
Application method
Tretinoin Usage Guide for beginners:
Step 1: Start Low
- Begin with the 0.025% concentration, especially if you've never used Tretinoin or Retin-A before.
Step 2: Apply at Night
- Use Tretinoin as the final step in your nighttime routine.
- Apply a pea-sized amount to your face, avoiding:
- Corners of the nose
- Mouth
- Lips (as these areas are more sensitive).
Step 3: Protect Against Sun
- Tretinoin increases sun sensitivity. Always:
- Use a broad-spectrum SPF50 sunscreen during the day.
- Avoid prolonged sun exposure.
Step 4: Moisturize
- Combat dryness by:
- Using a hydrating moisturizer after Tretinoin or as part of your daytime routine.
Step 5: Consult & Educate
- Seek advice from a dermatologist or research proper usage and precautions before starting.
Would you like further assistance, like creating a routine or addressing specific skin concerns?
34 reviews for Z-Block Sunscreen Anti-Aging SPF 50 Water Based Gel 50ml 02/2027
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Rated 5.00 out of 5

Anonymous (verified owner) –
Good
Iryna (verified owner) –
Love it. I use sunblock all year around. Tried many.this one is the best .not greasy .not shiny.good during the jogging .matt effect. Zinc is very good for skin.calms down any irritation.i recommend it
Liam (verified owner) –
Lightweight and just fantastic and protecting the skin – especially following use of retinoids!
Donna B. (verified owner) –
Great sunblock, sinks into skin with no trace of greasiness
Anonymous (verified owner) –
Love the texture and how silky it is!
Carol James (verified owner) –
This is a lovely SPF it sinks into skin easily,leaving no white residue , it does leave skin looking a little pale , but it leaves skin so soft with a lovely matte finish one of the nicest SPF I have used and ihave tried a lot over the years
Peter M. (verified owner) –
Excellent
Kamila (verified owner) –
Thank you for your excellent service! Communication was top-notch, and the delivery was incredibly speedy. I truly appreciate the effort you put into ensuring customer satisfaction. Your dedication to providing a great experience is evident, and I’m grateful for your attention to detail. Keep up the fantastic work, and thank you once again for your outstanding service!
Anonymous (verified owner) –
Great
Jane –
So hard finding a great spf that doesn’t leave a white cast. This sinks in great
Good size, price as good spf is always pricey
Great !
Anonymous (verified owner) –
I was looking for a sunscreen that would not break my out. It’s great, keeps my super oily skin matte and had no breakouts. Great under makeup.
Tania (verified owner) –
Not yet used but the customer service of this company is fantastic
Anonymous (verified owner) –
The best product I’ve ever had
Cristina M. (verified owner) –
Love the product
Andrea (verified owner) –
Absolutely love this sunblock. It feels really good going on. Not heavy. skin feels really soft. Doesn’t have any harsh chemical in it. Held up good after being in water. Definitely buy again.
Sarah C. (verified owner) –
The best SPF cream I have found
Kathryn (verified owner) –
Good product, unfortunately doesn’t work with my mature skin. It is a good base for under makeup and no whiteness, but it gives a matte look which isn’t a good look for mature skin(60+).
Leonie Bourne (verified owner) –
Lovely sunblock
Susan A. (verified owner) –
Sun scteen i perfect especially UNder mske up carnt failt it
Andrea F. (verified owner) –
Really good sunscreen and base for makeup
angela (verified owner) –
Not used yet, but like the look of the ingredients so hoping will be good.
Victoria (verified owner) –
I received this and happy
Julia (verified owner) –
Goes on very nicely, feels velvety, pleased with this.
Jodie W. (verified owner) –
Amazing coverage but super lightweight for use on the face. I suffer from pigmentation so it’s nice to have a product that gives you that protection with feeling greasy or cakey. Will definitely order again.
Marcus Reid (verified owner) –
Lovely
Marilyn Buxton (verified owner) –
Great protection
Anonymous (verified owner) –
Trustworthy site 👌🏽
Donna C. (verified owner) –
This stuff is amazing, it comes out looking like a lotion but when applied to the skin feels more of a balm consistency. Amazing under make up, works so well I’ve ditched my primer, no white cast on your skin will definitely purchase again
Keira (verified owner) –
A lovely sunscreen. Goes on with little effort and protects amazingly.
Jacqueline C. (verified owner) –
Lovely sunscreen, soft velvet finish, I would highly recommend.
Kim Turner (verified owner) –
slightly to matt for me
carol ralph (verified owner) –
Absolutely THE BEST suncream for the face – really light to apply and flawless finish – don’t even know I have it on
Anonymous (verified owner) –
Just what I wanted. Thank you
Anonymous (verified owner) –
Very transparent sun block, works well.