Frequently asked questions about the Mineral Sunscreen
Topics
Product & PropertiesApplication & RoutineSuitability & CompatibilityOrdering & ServiceProduct & Properties
What is the difference between mineral sunscreen and chemical sunscreen?
Mineral sunscreen forms a protective layer on the skin and reflects UV rays immediately – it takes effect straight away and is particularly suitable for sensitive skin.
Chemical sunscreen is absorbed into the skin and converts UV rays into heat – it usually has a lighter texture and takes effect after about 15–20 minutes.
Does mineral sunscreen protect against UVA and UVB rays?
Yes, our mineral sunscreen offers broad-spectrum protection and provides reliable protection against UVA and UVB rays.
Is the Mineral Sunscreen water-resistant?
The formula stays on the skin well when exposed to normal contact with water and sweat. However, it is not certified as ‘waterproof’ under ISO standards.
Be sure to reapply after swimming, sweating or drying yourself.
What sun protection factor (SPF) does the mineral sunscreen have?
The mineral sunscreen has an SPF of 50 – which corresponds to the EU category ‘very high sun protection’.
Is the mineral sunscreen vegan?
How long do the products last after opening?
Unopened, our skincare products keep for at least 30 months, and for 6 months after opening; the decisive guide is the PAO symbol (“6M”) on the packaging. Our gummies carry a best-before date, which is usually one to two years after purchase.
Application & Routine
How do you use Mineral Sunscreen?
Apply daily in the morning as the final step in your skincare routine to clean, dry skin, and gently massage into the face, neck and décolletage.
Use a sufficient amount of product for optimal protection – about a teaspoon for the face and neck.
In strong sunlight or during prolonged exposure to the sun, it is advisable to reapply regularly, especially after swimming or heavy sweating.
Can mineral sunscreen be used under make-up?
Yes, mineral sunscreen works well as a base for make-up. Allow it to absorb briefly after application – a small sponge can help achieve a particularly even finish.
When does mineral sunscreen start to provide protection?
Mineral sunscreen containing zinc oxide works immediately after application because it remains on the skin’s surface and reflects UV rays.
How should Mineral Sunscreen be stored?
Store in a cool, dry place and avoid direct sunlight to maintain effectiveness.
Suitability & Compatibility
Who is mineral sunscreen suitable for?
Suitable for sensitive, dry and mature skin, as our Bionera® Mineral Sunscreen is 100% mineral-based and gentle on the skin. For oily or acne-prone skin, we recommend double cleansing in the evening to thoroughly remove any residue.
The product is specially formulated to meet the needs of adult skin.
Does Mineral Sunscreen contain fragrances?
No, our Mineral Sunscreen is completely fragrance-free and contains no drying alcohols – making it ideal for fragrance-sensitive skin.
What should I do if my skin reacts?
If your skin reacts after use, stop applying immediately. Rinse the affected area gently with water and monitor your skin. For persistent or severe reactions, consult a dermatologist or healthcare professional.
Ordering & Service
How does the 60-day money-back guarantee work?
We offer a 60-day money-back guarantee: you can return our products within the first 60 days of receipt and receive a full refund without having to give a reason for the return. This is our own promise on top of your statutory rights — including your 14-day right to cancel.
What are the delivery times and costs?
Every order is sent by tracked delivery and arrives anywhere in the UK within 5–7 working days. Delivery and returns are free of charge.
What payment methods are available?
We accept cards (all major networks: Mastercard, Visa, American Express and others), PayPal and Klarna.

