Z-Block Sunscreen Anti-Aging SPF 50 Water Based Gel 50ml

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 updated: November 2026

Key facts

How SPF 50 sunscreen with 25% zinc oxide is generally used

1. Read the label and patch test a small area before wider use.
2. Apply the gel to exposed areas as directed, keeping it away from the eyes and mouth.
3. Massage it gently over the intended skin until it has been worked in.
4. Reapply after prolonged water exposure or excessive sweating.
5. Reapply after towel drying where the label directs, because drying can remove product from the skin.
6. 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.

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