SunStop
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Added UV Protection.
At your Convenience.
A daily supplement that supports your skin’s natural defense—minimizing UV damage and reducing ageing caused by the sun.
Benefits of SunStop
Reduces Photo-Ageing
Not to brag (okay, maybe a little), but Polypodium delivers statistically significant UV protection and slashes dark spots by 30%. Pretty impressive, huh? [~ 17 scientific reviews.]
Lowers Skin Cancer Risk
Complements Your Sunscreen
Enhances Natural Skin Health
Stay Protected Today
Science Backed
Rooted in research, our product is developed using proven scientific principles. Each ingredient is carefully chosen based on solid studies, offering reliable protection grounded in real science.
Accessibility
Our capsules contain only essential ingredients—for maximum value. Each is packed to the brim, and the convenient blister packaging with a protective sleeve makes them easy to take on the go, offering access anytime, anywhere.
But is it safe?
At SunStop, quality comes first. That’s why we work with ISO 9001 and USDA Organic certified partners and follow a triple-verified process:
1) Every ingredient undergoes 6 to 18 audits from our suppliers.
2) Each batch is tested under HSA guideliness for heavy metals and microbial limits.
3) Finally, we consult aestheticians and test with family and friends—yes, even the founder’s 70-year-old mother!
Because we wouldn’t offer you anything we wouldn’t trust ourselves.
Quality & Safety
We work with ISO 9001 and USDA Organic certified partners to ensure top-quality, safe ingredients. And here’s a fun fact: our founder (and family!) trust and use our product, so you can feel good about it too.
Can I eat it daily?
Yes, but hey, don’t just take it from us—take it from the science.
Every SunStop ingredient is backed by studies over time:
Polypodium leucotomos (PLE) - 2 months,
Nicotinamide - a staggering 2 years/ 140 participants
Astaxanthin - 3 months across 100 participants
Glutathione - an incredible 6 months for over 300 individuals.
All ingredients have no severe side effects, and in fact, many participants noted an improvement correlating to longer use.
If it helps, I’ve been taking it for over a year, and my blood work is clear—I’m happy to share it on request!
Still unsure? Here's why it matters to us!
Hey! So, here’s the thing—my brother is allergic to sunblock. Growing up, it wasn’t a big deal. We’d play outside for hours without a second thought. But as we got older, the reality of sun damage started sinking in—photoaging, pigmentation, even the risk of skin cancer. The carefree days of childhood felt further and further away.
I couldn’t shake the thought: what if we could bring back just a glimpse of those worry-free days? That’s when I stumbled on a study about South American fishermen. Despite hours in the blazing sun, their skin showed less damage. Their secret? Polypodium Leucotomos, a plant that boosts antioxidants in your skin to fight sun damage from the inside. With over 10 studies proving it works, I knew we had to try it.
But the journey didn’t stop there. Along the way, I discovered other incredible ingredients that, when combined, not only protect the skin but can also astoundingly minimize the risk of skin cancer!
So, we got to work. We combined this powerful ingredient with a few others to strengthen the skin’s natural barrier and created SunStop. Every ingredient is rigorously tested—up to 18 times—plus checks for heavy metals and microbes. It’s something I trust enough to give my brother, my 70-year-old mom (she loves the anti-aging benefits), and now, you.
SunStop, at least for us is about more than just UV defense—it’s about reclaiming a little bit of that childhood freedom, knowing your skin is well protected. [Read More]
As we like to say: Stop Sun, Use SunStop. 🌞
FAQs
Sunburn is caused by UV radiation damaging skin cells, leading to inflammation and long-term harm. Antioxidants can help prevent this by neutralizing free radicals generated by UV exposure, but the challenge lies in ensuring these antioxidants are deposited effectively in the skin. Polypodium, the active ingredient in Sun Stop, addresses this by primarily accumulating in the skin, allowing it to directly counteract sunburn and provide targeted protection against UV damage.
For maximum protection, we recommend using both SunStop and sunscreen together. SunStop supports your skin’s natural defenses from within, while sunscreen provides direct surface protection. Combining both ensures you’re fully covered against UV damage.
Polypodium, a fern native to Central and South America, is the key ingredient in all leading UV defense products — not to be confused with skin whitening. Historically, fishermen used it to protect their skin from sun damage, and research confirmed it significantly reduces harm. Many premium brands rely on Polypodium but inflate prices by adding proprietary blends, mixing in ingredients like tomatoes, and carotenoids (plant pigments) — we take a simpler approach. We consulted with aestheticians to ensure our formula’s effectiveness, focused on the most active compounds, and avoided extreme markups to make UV protection accessible to everyone.
Sun protection effectiveness varies depending on several factors. First, it is influenced by your skin type, classified on the Fitzpatrick scale, which ranges from 1 to 6. Type 1 refers to individuals with very fair skin who burn easily and don’t tan, while Type 6 describes those with naturally darker skin who rarely burn. Your position on this scale, along with factors such as location, sun intensity, and sun protection habits, affects your overall results. The effective dose of Polypodium in most studies is 240mg, a dosage also used by many leading brands. Research suggests that Polypodium at this dose can reduce sun damage by 40-60%. It has a half-life of 4-6 hours, meaning half of the substance remains in your system after that time. We estimate that Polypodium provides about 12 hours of protection, peaking at 40-60% effectiveness and gradually tapering off.
The majority of research on our core ingredients shows no serious side effects. If we were to be critical of our own product, it may produce mild reactions commonly found in all supplements containing plant extracts—such as bloating and headaches—symptoms that are found even in vitamin C. In the longest study, lasting over 60 days, no serious side effects were noted for our active ingredient. However, it's important to be mindful of dosage, as over-consumption, like with any supplement, can be harmful. In higher doses, you may notice red stool due to Astaxanthin's natural red pigment, similar to how beetroot can color your bowels.
If it helps, I’ve been taking at least one serving daily since the beta stage months ago and continue to do so regularly. If you like my blood work, I can provide it via email on the contact us page.
Discussing with our suppliers, if you store it in a cool dry environment like your bag we expect about a 2 year shelf life. None the less we recommend best before within 1 year as a precaution.
We aim to keep delivery costs as low as possible. In Singapore, delivery and fulfillment average around $8–$10 SGD per order. For international orders, additional shipping fees will apply, with prices varying by location. We're actively working with partners to expand globally and will continue monitoring costs to ensure we deliver sun protection to you affordably!
Yes, our Bits are safe for sensitive teeth. We use Nano-hydroxyapatite in our Fluoride-Free formula, a mineral that's been proven to strengthen and remineralize enamel and help fight sensitivity.
Read the nHAP Study here and read more information about it here.
We also recommend talking to your dentist about Nano-hydroxyapatite or when making any changes to your oral care routine.
In total we follow 3 broad principles, (1) Science-Backed, (2) Quality & Safety, and (3) Accessibility.
Science-Backed, We apply a first principles approach to the mechanisms of sunburn and assess ingredients based on four criteria: (1) Research support, (2) Need for supplementation, (3) Bioavailability, and (4) Minimal Effective Dose (MED).
Quality & Safety, We ensure the best quality-to-price ratio by partnering with ISO 9001 and USDA Organic certified suppliers, conducting 6-18 tests per ingredient to validate purity, traceability, and bioavailability. Our team personally uses the products, guaranteeing trust and effectiveness.
Accessibility, Our blister packaging with a protective sleeve offers on-the-go flexibility, allowing you to time your UV protection. The active compounds absorb within 1 hour and have a 4-6 hour half-life, ensuring peak effectiveness when taken before sun exposure. Or general all day protection.