Science

8 ingredients backed by thousands of clinical studies.

As you age, sun damages your skin. This damage can be exhibited through visible indicators like fine lines and wrinkles, but can also cause invisible effects on the cellular level through DNA damage.

Beyond Skin Deep

As you age, your skin gradually loses its strongest defenses.

Over time, your skin’s natural protectors weaken, the proteins that keep it firm and hydrated break down, and its immune guardians become less numerous and less active.

Together, these shifts make skin more vulnerable to everyday stress, slower to repair, and more likely to speed up the visible signs of aging.

HOW KEY PROTECTIVE COMPOUNDS AFFECT YOUR SKIN HEALTH AS YOU AGE



WHAT CAN WE DO ABOUT IT?

Despite these declining levels, the ingredients in Sun Powder are shown to protect your skin from further damage while slowing down this natural aging process.

Preliminary Study

Sun Powder’s clinical study shows promising results

Clinical Study Whitepaper

Method

Controlled broad-spectrum laser calibrated to simulate 6 hours of peak midday sun (UVA + UVB).

  1. One hour post-exposure, measured erythema (redness).
  2. Participants then consumed one dose of Sun Powder and were exposed again to the laser.
  3. One hour post-ingestion, measured erythema again.

Why measure redness?

Redness is the earliest, most visible sign of UV damage — a proxy for DNA damage, inflammation, and sunburn. Reducing it post-exposure signals faster recovery and protection.

Preliminary Results

In a significant portion of participants, post-ingestion redness was visibly reduced compared to the baseline data.

80%
erythema reduction
Baseline 1 hour post-exposure to UVA + UVB
With Sun Powder 1 hour post-ingestion & more UVA + UVB exposure

What these results suggest

  • Potential anti-inflammatory effects can occur within just 1 hour — even after UV damage has begun.
  • This could indicate Sun Powder's ingredients act fast to mitigate visible sun damage, rather than just offering long-term support.

MADE by dermatologists, NOT INFLUENCERS.

A smarter way to defend your skin, from the people who treat sun damage every day.

Co-founder

Dr. Teo Soleymani, MD

Specialty

Mohs Skin Cancer & Micrographic
Reconstructive Surgery

Practices

Pasadena, CA

Training

Stanford
teosoleymanimd

Every week in our practices, we see the real consequences of sun exposure: from stubborn redness and premature aging to the early stages of skin cancer.

We love the sun. Our patients love the sun. But we also see what happens when skin isn't properly supported from the inside.

For years, we've recommended specific vitamins and antioxidants to help patients strengthen their skin: nicotinamide for DNA repair, polypodium to reduce UV inflammation, astaxanthin for antioxidant defense. These aren't trendy ingredients. They're backed by published clinical trials.

The problem? Our patients were juggling 10 different bottles, often in doses that didn't match the research or from brands we couldn't fully verify.

So we built Sun Powder. Clinical doses of the exact ingredients we've been recommending for years. The same forms and amounts used in the studies. Nothing proprietary, nothing hidden.

What started as a solution for our own patients is now available to anyone who wants calmer, stronger, more sun-resilient skin.

Here's what matters most:

This doesn't replace sunscreen. Keep wearing SPF. Reapply every two hours. Seek shade. Sun Powder works alongside those habits, supporting how your skin responds to UV stress and builds resilience over time.

One scoop a day. Keep wearing sunscreen. And hopefully, you never need to see us in the office for the wrong reasons.

Dr. Sol's signature

Doctor Recommended

Trusted by Leading Dermatologists

Dr. Chris Tomassian, MD

Dermatologist

Research

1) Mehdikhani S, Abrouk M, Soleymani T. Novel Oral Supplement Protects Against Acute Erythema from Cutaneous UV Exposure and Increases Minimal Erythema Dose. J Dermatol Res. 2025;6(3):1-4. doi: 10.46889/JDR.2025.6314.

https://athenaeumpub.com/novel-oral-supplement-protects-against-acute-erythema-from-cutaneous-uv-exposure-and-increases-minimal-erythema-dose-2/

2) Chen AC, Martin AJ, Choy B, Fernández-Peñas P, Dalziell RA, McKenzie CA, Scolyer RA, Dhillon HM, Vardy JL, Kricker A, St George G, Chinniah N, Halliday GM, Damian DL. A Phase 3 Randomized Trial of Nicotinamide for Skin-Cancer Chemoprevention. N Engl J Med. 2015 Oct 22;373(17):1618-26. doi: 10.1056/NEJMoa1506197. PMID: 26488693.

https://pubmed.ncbi.nlm.nih.gov/26488693/

3) Breglio KF, Knox KM, Hwang J, Weiss R, Maas K, Zhang S, Yao L, Madden C, Xu Y, Hartman RI, Wheless L. Nicotinamide for Skin Cancer Chemoprevention. JAMA Dermatol. 2025 Nov 1;161(11):1140-1147. doi: 10.1001/jamadermatol.2025.3238. Erratum in: JAMA Dermatol. 2025 Nov 1;161(11):1195. doi: 10.1001/jamadermatol.2025.4473. PMID: 40960808; PMCID: PMC12444641.

https://pubmed.ncbi.nlm.nih.gov/40960808/

4) Surjana D, Halliday GM, Martin AJ, Moloney FJ, Damian DL. Oral nicotinamide reduces actinic keratoses in phase II double-blinded randomized controlled trials. J Invest Dermatol. 2012 May;132(5):1497-500. doi: 10.1038/jid.2011.459. Epub 2012 Feb 2. PMID: 22297641.

https://pubmed.ncbi.nlm.nih.gov/22297641/

5) Surjana D, Halliday GM, Damian DL. Nicotinamide enhances repair of ultraviolet radiation-induced DNA damage in human keratinocytes and ex vivo skin. Carcinogenesis. 2013 May;34(5):1144-9. doi: 10.1093/carcin/bgt017. Epub 2013 Jan 24. PMID: 23349012.

https://pubmed.ncbi.nlm.nih.gov/23349012/

6)  Kohli I, Shafi R, Isedeh P, Griffith JL, Al-Jamal MS, Silpa-Archa N, Jackson B, Athar M, Kollias N, Elmets CA, Lim HW, Hamzavi IH. The impact of oral Polypodium leucotomos extract on ultraviolet B response: A human clinical study. J Am Acad Dermatol. 2017 Jul;77(1):33-41.e1. doi: 10.1016/j.jaad.2017.01.044. Epub 2017 Mar 22. PMID: 28341348; PMCID: PMC5730054.

https://pubmed.ncbi.nlm.nih.gov/28341348/

7) Pourang A, Dourra M, Ezekwe N, Kohli I, Hamzavi I, Lim HW. The potential effect of Polypodium leucotomos extract on ultraviolet- and visible light-induced photoaging. Photochem Photobiol Sci. 2021 Sep;20(9):1229-1238. doi: 10.1007/s43630-021-00087-x. Epub 2021 Aug 27. PMID: 34449075.

https://pubmed.ncbi.nlm.nih.gov/34449075/

8)  Mohammad TF, Kohli I, Nicholson CL, Treyger G, Chaowattanapanit S, Nahhas AF, Braunberger TL, Lim HW, Hamzavi IH. Oral Polypodium Leucotomos Extract and Its Impact on Visible Light-Induced Pigmentation in Human Subjects. J Drugs Dermatol. 2019 Dec 1;18(12):1198-1203. PMID: 31859468.

https://pubmed.ncbi.nlm.nih.gov/31859468/

9)  Gibson R, Krug L, Ramsey DL, Safaei A, Aspley S. Beneficial Effects of Multi-Micronutrient Supplementation with Collagen Peptides on Global Wrinkles, Skin Elasticity and Appearance in Healthy Female Subjects. Dermatol Ther (Heidelb). 2024 Jun;14(6):1599-1614. doi: 10.1007/s13555-024-01184-2. Epub 2024 May 30. PMID: 38811471; PMCID: PMC11169317.

https://pubmed.ncbi.nlm.nih.gov/38811471/

10) Dewi DAR, Arimuko A, Norawati L, Yenny SW, Setiasih NL, Perdiyana A, Arkania N, Nadhira F, Wiliantari N. Exploring the Impact of Hydrolyzed Collagen Oral Supplementation on Skin Rejuvenation: A Systematic Review and Meta-Analysis. Cureus. 2023 Dec 9;15(12):e50231. doi: 10.7759/cureus.50231. PMID: 38192916; PMCID: PMC10773595.

https://pubmed.ncbi.nlm.nih.gov/38192916/

11) Seong SH, Lee YI, Lee J, Choi S, Kim IA, Suk J, Jung I, Baeg C, Kim J, Oh D, Lee JH. Low-molecular-weight collagen peptides supplement promotes a healthy skin: A randomized, double-blinded, placebo-controlled study. J Cosmet Dermatol. 2024 Feb;23(2):554-562. doi: 10.1111/jocd.16026. Epub 2023 Oct 11. PMID: 37822045.

https://pubmed.ncbi.nlm.nih.gov/37822045/

12) Sitohang IBS, Anwar AI, Jusuf NK, Arimuko A, Norawati L, Veronica S. Evaluating Oral Glutathione Plus Ascorbic Acid, Alpha-lipoic Acid, and Zinc Aspartate as a Skin-lightening Agent: An Indonesian Multicenter, Randomized, Controlled Trial. J Clin Aesthet Dermatol. 2021 Jul;14(7):E53-E58. Epub 2021 Jul 1. PMID: 34840651; PMCID: PMC8570360.

https://pubmed.ncbi.nlm.nih.gov/34840651/

13) Weschawalit S, Thongthip S, Phutrakool P, Asawanonda P. Glutathione and its antiaging and antimelanogenic effects. Clin Cosmet Investig Dermatol. 2017 Apr 27;10:147-153. doi: 10.2147/CCID.S128339. PMID: 28490897; PMCID: PMC5413479.

https://pubmed.ncbi.nlm.nih.gov/28490897/

14)  Dilokthornsakul W, Dhippayom T, Dilokthornsakul P. The clinical effect of glutathione on skin color and other related skin conditions: A systematic review. J Cosmet Dermatol. 2019 Jun;18(3):728-737. doi: 10.1111/jocd.12910. Epub 2019 Mar 20. PMID: 30895708.

https://pubmed.ncbi.nlm.nih.gov/30895708/

15) Gao YR, Wang RP, Zhang L, Fan Y, Luan J, Liu Z, Yuan C. Oral administration of hyaluronic acid to improve skin conditions via a randomized double-blind clinical test. Skin Res Technol. 2023 Nov;29(11):e13531. doi: 10.1111/srt.13531. PMID: 38009035; PMCID: PMC10661223.

https://pubmed.ncbi.nlm.nih.gov/38009035/

16)  Michelotti A, Cestone E, De Ponti I, Pisati M, Sparta E, Tursi F. Oral intake of a new full-spectrum hyaluronan improves skin profilometry and ageing: a randomized, double-blind, placebo-controlled clinical trial. Eur J Dermatol. 2021 Dec 1;31(6):798-805. doi: 10.1684/ejd.2021.4176. PMID: 34933842.

https://pubmed.ncbi.nlm.nih.gov/34933842/

17)  Hsu TF, Su ZR, Hsieh YH, Wang MF, Oe M, Matsuoka R, Masuda Y. Oral Hyaluronan Relieves Wrinkles and Improves Dry Skin: A 12-Week Double-Blinded, Placebo-Controlled Study. Nutrients. 2021 Jun 28;13(7):2220. doi: 10.3390/nu13072220. PMID: 34203487; PMCID: PMC8308347.

https://pubmed.ncbi.nlm.nih.gov/34203487/

18) Chung BY, Park SH, Yun SY, Yu DS, Lee YB. Astaxanthin Protects Ultraviolet B-Induced Oxidative Stress and Apoptosis in Human Keratinocytes via Intrinsic Apoptotic Pathway. Ann Dermatol. 2022 Apr;34(2):125-131. doi: 10.5021/ad.2022.34.2.125. Epub 2022 Mar 24. PMID: 35450317; PMCID: PMC8989909.

https://pubmed.ncbi.nlm.nih.gov/35450317/

19)  Yoshihisa Y, Rehman MU, Shimizu T. Astaxanthin, a xanthophyll carotenoid, inhibits ultraviolet-induced apoptosis in keratinocytes. Exp Dermatol. 2014 Mar;23(3):178-83. doi: 10.1111/exd.12347. PMID: 24521161.

https://pubmed.ncbi.nlm.nih.gov/24521161/

20) Imokawa G. The Xanthophyll Carotenoid Astaxanthin has Distinct Biological Effects to Prevent the Photoaging of the Skin Even by its Postirradiation Treatment. Photochem Photobiol. 2019 Mar;95(2):490-500. doi: 10.1111/php.13039. Epub 2018 Dec 1. PMID: 30338860.

https://pubmed.ncbi.nlm.nih.gov/30338860/

21)  Tominaga K, Hongo N, Fujishita M, Takahashi Y, Adachi Y. Protective effects of astaxanthin on skin deterioration. J Clin Biochem Nutr. 2017 Jul;61(1):33-39. doi: 10.3164/jcbn.17-35. Epub 2017 Jun 20. PMID: 28751807; PMCID: PMC5525019.

https://pubmed.ncbi.nlm.nih.gov/28751807/

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