The Active Days Duo
The Active Days Duo
Made for sweaty days, long exposure, and high UV. SunDay Mineral Serum SPF 50+ protects and supports skin with 12% zinc oxide and niacinamide – and holds up through water and sweat for 80 minutes. SunDay Body Balm SPF 40+ covers the rest with zinc oxide, squalane, oat extract, and bisabolol to protect and keep skin calm. Both blend in completely; neither slows you down.
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SunDay Mineral Serum SPF 50+
SunDay Mineral Serum SPF 50+
Protective, water-resistant mineral face SPF with barrier-boosting benefits. Great for high UV, long wear, and under makeup. More info.
- Broad-spectrum protection with non-nano zinc oxide
- Skin-strengthening niacinamide builds resilience, reduces redness, and reinforces your skin’s natural barrier
- Soothing allantoin and bisabolol calm sensitivity while reducing redness
- Water- and sweat-resistant for up to 80 minutes
- Fluid serum texture feels rich and protective on skin with a grippy, soft-matte finish that’s perfect for layering
SunDay Body Balm SPF 40+
SunDay Body Balm SPF 40+
Hydrating mineral body SPF that moisturizes and calms. Gentle enough for the whole family. More info.
- Bisabolol and oat extract work together to soothe and comfort sensitive skin
- Squalane delivers lasting hydration and helps strengthen your skin barrier
- Natural extracts provide gentle hydration and comfort, leaving skin soft and balanced
- No white cast, no residue, no-fuss

Wonderful product!!
I've tried both the invisible defense and the serum so I could compare and contrast.
The serum is excellent for layering under makeup. It never pills, no matter what I put on underneath, and leaves a nice base for makeup. Going to share some feedback below, but want to add a disclaimer that despite the following issues, this is still leagues better than anything else on the market and I have repurchased this twice. I will say the application isn't as nice as the mineral defense. It's a bit tackier and harder to spread across your skin and I have noticed a very faint white cast with the serum. I've also had issues with the dropper application leaking and making a bit of a mess on the bottle. Hoping the sonni team might be able to refine this a little more so the application experience is just as nice as the mineral defense and the body balm which are phenomenal products.
This is the best body sunscreen I've ever used.
The texture is like silky velvet, melts into the skin immediately and the skin feels smooth and dry seconds later. It feels nourishing and hydrating, but completely weightless. Zero white cast and scent is almost non existent. I carry it around with me everywhere and actually look forward to applying it. Could not recommend more. I'm already on my second bottle.
I love every product I’ve tried!!!🎉
Obsessed with this sunscreen, the consistency is perfect, not too oily, not too drying, it blends with your skin so easily after a few minutes you can't even tell it's there. Also the branding is so stylish I get compliments all the time! 10/10 recommend
The serum is white, but it blends in really easily. It's not tacky or sticky and dries quickly. I have not had any issues with compatibility with my face cream nor with applying makeup on top once it's fully dry. While this is a bit pricey for sunscreen, it's for your face, so the overall quality matches the value. For those that prefer physical sunscreen over chemical, this is one to try.