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Hyaluronic Acid in Skincare vs Algica®: Hydration Plus Pollution Protection

Hyaluronic acid (HA) is one of the most recognised skincare ingredients. It hydrates the skin by binding water, leaving it plump and dewy. But it is only one-dimensional — all it does is hold water.

Algica®, a silica derived from marine algae, does that and more. It hydrates like HA, but also cleanses, protects, and boosts other ingredients, which is why I chose it as one of the marine actives for my Oceanic Day Cream.


1. Where They Come From

  • Hyaluronic Acid: Produced in factories by fermenting plant sugars like corn.
  • Algica®: Extracted from marine algae in Sweden, grown in a process that absorbs carbon dioxide, cleans water, and produces by-products for animal feed and fertiliser.


2. What They Do for the Skin

  • Hyaluronic Acid: Binds water to hydrate and plump the skin.
  • Algica®:

    • As hydrating as HA, proven in studies.
    • Cleanses by absorbing oil, sweat, bacteria, and impurities.
    • Protects against pollution, blocking more particles than HA.
    • Boosts SPF by 9–13% when added to sunscreen.
    • Enhances the performance of other active ingredients.


3. Environmental Impact

  • Hyaluronic Acid: Relies on agriculture and industrial fermentation.
  • Algica®: Produced in a way that reduces global warming and eutrophication, with a fully sustainable process.


Why I Chose Algica® Over Hyaluronic Acid

HA is effective, but Algica® offers more: hydration plus cleansing, protection, and boosting other actives. And it is created in a process that helps the planet. It’s the next step in multifunctional, sustainable skincare.

At-a-Glance: HA vs Algica® Summary

Aspect Hyaluronic Acid Algica® (Silica from algae)
Source Industrial fermentation of plant sugars Marine algae grown in Sweden with carbon-absorbing, water-cleaning methods
Skin Benefits Hydration and plumping Hydration, cleansing, anti-pollution, SPF boosting, carrier for actives
Sustainability Relies on crop farming Reduces global warming and eutrophication; multifunctional

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