Summer left a mark on your skin

Your tan is fading. Your sunspots are not. And somehow your skin feels drier, thinner, and a little crepier than it did in June.

You're not imagining it. In a study of 298 fair-skinned women, researchers estimated that UV exposure is behind roughly 80% of the visible signs of facial aging. Summer runs up the tab. Fall is when the bill arrives.

Then, midlife piles on. Usually, estrogen helps keep your skin's collagen and moisture up, but as it drops, skin loses collagen and dries out. Same sun, thinner canvas.

Here’s where things get interesting. One study followed women from August through December and found that while skin moisture and wrinkles worsened in the placebo group, the treatment groups held steady.

The only difference? Astaxanthin.

What the sun actually does

Think of UV as a house party that got out of hand. Inflammation is still in the living room. Collagen-chewing enzymes are raiding the kitchen. And your moisture barrier left the front door wide open.

Translation? More fine lines, less bounce, drier skin.

The good news is that your skin has ways to defend and repair itself. And astaxanthin may just be one of its most powerful allies.

Meet astaxanthin

Astaxanthin is a red-orange carotenoid made by microalgae. Shrimp and krill eat the algae, salmon eat the shrimp, and that distinctive color moves right up the food chain. It even helps turn flamingos pink.

Astaxanthin also has a real stack of human trials behind it, and one of them was timed like it read my calendar.

The August-to-December experiment

In a 16-week trial, 65 healthy women took astaxanthin (6 or 12 mg a day) or a placebo from August through December. That's exactly the stretch when summer UV hands off to fall dryness.

Here’s what they found.

Over the 16 weeks, wrinkles and skin moisture worsened in the placebo group. The women taking astaxanthin didn’t show the same decline. 

While this result is encouraging, there’s an important caveat. The study couldn’t show with statistically significant confidence that astaxanthin was responsible for the difference. So while this is a promising finding, it isn't proof on its own.

What does the rest of the research say?

A second, smaller trial looked at whether taking astaxanthin could help protect skin from UV exposure. After about nine weeks, people's skin needed more UV before it turned red, and it lost less moisture in the spot that got zapped. This ingredient doesn't replace sunscreen. It helps your skin take a hit better.

Fine print: both this trial and the August-to-December study were small and paid for by astaxanthin makers. So, what does the research show when we look beyond these individual studies?

A 2021 meta-analysis of nine randomized trials found oral astaxanthin improved skin moisture and elasticity. Wrinkle depth didn't meaningfully change. So think moisture and bounce, not a Botox appointment in a capsule.

How to HOP to it

The basics that still matter

Keep the sunscreen. Yes, HOPsters, even in October. UVA slips right through clouds and car windows.

Moisturize damp skin. Right out of the shower, before the water evaporates and takes your moisture with it.

Turn down the shower. Hot water strips the oils your barrier needs, and fall is when we all crank it up.

The hidden levers

Eat the pink foods. Salmon, trout, and shrimp bring astaxanthin to the table.

Feed the collagen factory. Protein supplies the building blocks, and vitamin C helps the enzymes that assemble them. Remember AKG from a couple of weeks ago? Those enzymes need it too.

Add a humidifier. The heat is about to come on, and your skin will notice.

The HOP Box play

Astaxanthin (4 mg, Damage Control). The star ingredient for skin moisture and elasticity.

Hyaluronic acid (100 mg, Hourglass Tipper). Supports skin hydration from the inside out.

Ca AKG (125 mg, Hourglass Tipper). Supports the enzymes that build collagen.

The bottom line

Keep the sunscreen, support your skin barrier, and give your skin the nutrients it needs from the inside out. Skin runs on a slow clock, so give it the season and stay consistent.

Now, HOP to it!

Dr. Amy Killen & the HOP Team

P.S. Flamingos are born gray. They turn pink from what they eat. Your skin will not turn pink from astaxanthin. I checked.

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References

Calleja-Agius J, Brincat M, Borg M. Skin connective tissue and ageing. Best Pract Res Clin Obstet Gynaecol. 2013;27(5):727-740. doi:10.1016/j.bpobgyn.2013.06.004

Flament F, Bazin R, Laquieze S, Rubert V, Simonpietri E, Piot B. Effect of the sun on visible clinical signs of aging in Caucasian skin. Clin Cosmet Investig Dermatol. 2013;6:221-232. doi:10.2147/CCID.S44686

Ito N, Seki S, Ueda F. The protective role of astaxanthin for UV-induced skin deterioration in healthy people: a randomized, double-blind, placebo-controlled trial. Nutrients. 2018;10(7):817. doi:10.3390/nu10070817

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

Zhou X, Cao Q, Orfila C, Zhao J, Zhang L. Systematic review and meta-analysis on the effects of astaxanthin on human skin ageing. Nutrients. 2021;13(9):2917. doi:10.3390/nu13092917