How the microalgae in YCODE Hydrating Face Serum adapts with your skin
Skin does not have one fixed requirement. The Chlorella microalgae at the centre of the formula responds to its condition, delivering a changing blend of vitamins, minerals and peptides each time you use it.

Your skin this morning is not in precisely the same condition as it was yesterday.
Flights, climate, central heating, air conditioning, shaving, poor sleep, stress, alcohol and long working days all change the environment around it. Some increase water loss. Some disturb comfort or balance. Several happen at once.
A conventional moisturising ingredient performs one fixed job. The Chlorella system in YCODE Hydrating Face Serum was selected because its support is biologically intelligent.
What biologically intelligent means
The simplest description is that it scans the condition of the skin and responds with what is needed.
More precisely, the microalgae-derived system interacts with biological conditions at the surface, supplying a blend of vitamins, minerals and peptides that supports hydration and resilience.1 That response happens again with each application.
It is not a one-time diagnosis. As the condition of the skin evolves, the support evolves with it.
This matters because skin does not only differ from one man to another. It differs within the same man from one week, climate or morning to the next.
Why Chlorella
Chlorella vulgaris is a single-celled microalga. Microalgae survive by responding efficiently to changing light, temperature and nutrient conditions. Their cells contain proteins, peptides, polysaccharides, lipids, vitamins and minerals.2
Those materials make Chlorella interesting to formulators, but an ingredient list alone is not the craft. Species selection, cultivation, extraction, stabilisation and the system around the extract determine what reaches the finished bottle.
This is the From Sea to Cell principle in practice: marine biology selected for a useful function, then calibrated into a formula a man will use every day.
Why it does not work alone
Adaptive support becomes more useful when the rest of the formula has clear complementary jobs.
- Hyaluronic acid and glycerin bind water
- Niacinamide supports barrier function, texture and tone3
- Inulin and fructose support the microbiome
- A biomimetic peptide supports a fresher, more even surface
Chlorella helps the formula respond. The other systems help convert that response into hydration the skin can hold and visible skin quality over time.
What to notice at one week
Look beyond the few seconds after application:
- Does the tight feeling after washing pass more quickly?
- Does the skin remain comfortable later in the day?
- Does it behave more consistently after a flight, a short night or a change in weather?
The point of adaptive hydration is not that every day feels identical. It is that the skin is better supported when the day changes.
Where to go next
Continue to how YCODE Hydrating Face Serum improves skin quality, not only hydration.
The cleverest formula is not the one that asks you to understand it. It is the one that understands more about what your skin needs.
Here is to two minutes well spent.
Freddie Sheridan
Founder
What is Chlorella vulgaris?
What does biologically intelligent skincare mean?
Can skincare literally scan the skin?
Does my skin need different support when I travel?
- YCODE Hydrating Face Serum formula dossier and supplier documentation for the Chlorella vulgaris active. Supplier material documentation rather than a study of the finished serum.
- Cunha SA, Coscueta ER, Nova P, Laranjeira Silva J, Pintado MM. Bioactive Hydrolysates from Chlorella vulgaris: Optimal Process and Bioactive Properties. Molecules. 2022;27(8):2505. Source
- Bissett DL, Miyamoto K, Sun P, Li J, Berge CA. Topical niacinamide reduces yellowing, wrinkling, red blotchiness, and hyperpigmented spots in aging facial skin. International Journal of Cosmetic Science. 2004;26(5):231-238. Source
- YCODE Hydrating Face Serum independent consumer self-assessment, ADSL 2025-0056.

I started YCODE because most skincare was never designed for men’s skin. What I write here is what the formulators taught me, and what the trials actually found.
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