SkinCeuticals Physical Fusion UV Defense SPF 50
- Regular price
- $54.40
- Sale price
- $54.40
- Regular price
- $68.00
Physical Fusion UV Defense SPF 50 is a lightweight, 100% mineral sunscreen ideal for all skin types, including sensitive skin, delivering broad-spectrum protection with a radiance-enhancing tint.
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Description
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Key Benefits
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Description
Size: 50 ml / 1.7 fl. oz.
Skin Types: All skin types, including dry and sensitive
Concerns: Sun protection · Uneven skin tone · Dullness · Sensitive skin
Tinted Mineral Sunscreen with Radiance-Enhancing Finish
Physical Fusion UV Defense SPF 50 is a lightweight, 100% mineral sunscreen fluid designed to defend the skin against UVA and UVB rays while boosting natural radiance. Featuring a universal tint, it adapts to most skin tones without leaving a white cast, promoting a more even, luminous complexion. This sheer formula contains translucent color spheres for a healthy glow and artemia salina, a marine plankton extract that helps increase skin’s resistance to UV- and heat-induced stress. Dermatologist-tested, non-comedogenic, and suitable even for the most sensitive skin.
Science Behind Sheer Physical UV Defense SPF 50
The Difference Between UVA + UVB Rays
Protection from UV radiation is an essential step in maintaining skin health. Two types of UV rays, ultraviolet A (UVA) and ultraviolet B (UVB), penetrate the atmosphere and can accelerate visible signs of aging and increase the risk of skin cancer.
UVA rays are associated with accelerated aging and can penetrate through windows and clouds.
UVB rays cause sunburn by damaging the epidermis, causing redness, blistering, while increasing the risk of cancer.
To decrease the risk of the damage from rays, apply Sheer Physical UV Defense daily.
TIP: Boost Environmental Protection to protect skin from environmental aggressors, always pair Sheer Physical UV Defense with an antioxidant.

Key Benefits
How to use
Ingredients
Frequently Asked Questions
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SkinCeuticals Physical Fusion UV Defense SPF 50: Tinted Mineral Radiance
SkinCeuticals Physical Fusion UV Defense SPF 50 is a lightweight, 100% mineral sunscreen fluid that defends against UVA and UVB rays while boosting natural radiance.
A universal tint adapts to most skin tones without a white cast, while artemia salina helps build resistance to UV- and heat-induced stress — non-comedogenic and suitable for sensitive skin. WeDoSkin.ca is an Authorized SkinCeuticals Retailer in Canada, with authentic, fresh stock.
100% Mineral SPF 50
Broad-spectrum UVA/UVB.
Universal Tint
Glow with no white cast.
Artemia Salina
Builds UV and heat resistance.
Lightweight Fluid
Non-comedogenic, sheer finish.
Key Ingredients & How They Work
The actives that drive Physical Fusion UV Defense SPF 50 — and what each one does for your skin.
SPF 50
Physical UVA/UVB defense.
Radiance
Translucent color spheres.
Resilience
Marine plankton extract.
Clear
Dermatologist-tested.
These descriptions reflect how each ingredient works in general dermatological terms. Individual results vary, and skincare is not a substitute for professional medical advice.
Benefits of Physical Fusion UV Defense SPF 50
What Physical Fusion UV Defense SPF 50 Pairs Well With
Build a complete routine — these pairings are most often recommended alongside Physical Fusion UV Defense SPF 50. Tap any product to shop.
SkinCeuticals C E Ferulic — New 2026 Formula$184.00Shop now →
SkinCeuticals Silymarin CF$184.00Shop now →
SkinCeuticals Sheer Physical UV Defense SPF 50$54.40Shop now →How to Use
- Apply liberally as the last step of your morning routine, before makeup.
- Reapply every two hours of sun exposure.
- Pair with an antioxidant for added defense.
Who It's For
- All skin types incl sensitive
- Uneven tone and dullness
- Those wanting a tinted glow
- Daily UV protection
Sensitivity note: A 100% mineral, non-comedogenic tinted sunscreen suitable for all skin types, including dry and sensitive.
How Physical Fusion UV Defense SPF 50 Compares
Where Physical Fusion UV Defense SPF 50 sits relative to other options. The right fit depends on your skin and goals.
| Feature | Physical Fusion | Sheer Physical | Clear Daily Soothing |
|---|---|---|---|
| Filters | 100% mineral | 100% mineral | Hybrid |
| Tint | Tinted (universal) | Untinted | Untinted |
| Finish | Radiant glow | Matte | Soothing |
| Best for | Tone + glow | Sensitive/matte | Redness-prone |
Physical Fusion UV Defense SPF 50: Frequently Asked Questions
Does this mineral sunscreen leave a white cast?
No. This is the hallmark of Physical Fusion. Unlike standard thick zinc sunscreens, it uses translucent color spheres that adapt to your skin tone. It rubs in completely sheer, leaving a radiant, even finish on all Fitzpatrick skin types without any ghosting or white cast.
Why do I need to shake it before using?
Because it is a 100% mineral formulation without thick, heavy chemical binders, the active zinc and titanium particles naturally settle in the fluid. Shaking the bottle activates the steel ball inside, perfectly suspending the minerals and tint for an even application.
Is this safe for acne-prone or oily skin?
Yes, highly recommended. It is completely non-comedogenic, meaning it will not clog your pores. The ultra-lightweight fluid dries down to a comfortable finish that won't make oily skin feel suffocated or greasy.
Can I use Physical Fusion after microneedling or a chemical peel?
Yes. Because it uses 100% physical/mineral filters (and zero chemical filters), it does not absorb heat. It is widely recommended by dermatologists for post-procedure protection because it is exceptionally gentle and will not sting or irritate compromised skin.
Does this replace my daily foundation or concealer?
While it is not a full-coverage foundation, the sheer tint provides a beautiful 'blurring' effect that evens out minor redness and imperfections. Many users find it provides enough coverage to replace their daily tinted moisturizer or light foundation.
Is it water or sweat resistant?
Yes. SkinCeuticals Physical Fusion UV Defense SPF 50 is clinically tested to be water-resistant and sweat-resistant for up to 40 minutes. You should reapply immediately after towel drying, swimming, or heavy sweating.
Can I wear this underneath makeup?
Absolutely. Because of its weightless fluid texture, it acts as a phenomenal, smoothing primer. Let it set for a few minutes after application, and your foundation will glide over it seamlessly without pilling.
Is Physical Fusion safe for use during pregnancy?
Yes. Dermatologists and OBGYNs typically recommend switching from chemical sunscreens to 100% physical (mineral) sunscreens during pregnancy. As always, consult your healthcare provider, but this is widely considered a pregnancy-safe SPF.
This page is reviewed under the medical oversight of the WeDoSkin Clinic in Calgary. As a Preferred Authorized Retailer, our clinical team works directly with these brands and handles these formulas every day. Information here is educational and not a substitute for personalized medical advice.
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