TL;DR: Hydration adds water to skin. Moisturizing seals water in. Hydrating ingredients (humectants like tremella) attract water from the atmosphere into the skin. Moisturizing ingredients (beta-glucans and lipids) form a barrier that prevents transepidermal water loss. Verdoie's La Crème Hydratante does both at once by pairing tremella's humectant power with beta-glucans that seal it in, the topical half of Le Shroom Stack™.
What's the difference between moisturizing and hydrating?
Hydration focuses on replenishing water content in the skin's outermost layer. Moisturizing seals in existing water and fortifies a barrier that prevents transepidermal water loss.
Both are necessary. Skin that's hydrated but not moisturized loses that water quickly. Skin that's moisturized but not hydrated still feels tight and dull.
What are humectants, and why do they matter?
Humectants are water-attracting ingredients that pull moisture from the atmosphere into the skin. Tremella mushroom extract, the hero humectant in La Crème Hydratante, functions like hyaluronic acid but with a smaller molecular size that penetrates deeper. It mitigates dryness and prevents the overproduction of oil.
What actually moisturizes skin?
Moisturizing ingredients reduce transepidermal water loss by reinforcing the skin's lipid barrier. Verdoie's formulas contain concentrated mushroom-derived beta-glucans that restore the skin's extracellular matrix and form a moisture-locking barrier on the surface. That's how skin avoids dryness, roughness, and flaking.
What happens when skin water content drops too low?
According to the study Skin hydration, a review on its molecular mechanisms, water retention in the outermost skin layer is critical for desquamation, the natural shedding process that regenerates the skin's surface. Environmental stressors (humidity, wind, sun) routinely knock water content down below healthy levels. Topical mushroom-based solutions prepare skin to hold moisture even when the environment is hostile.
Frequently Asked Questions
Q: Can I skip moisturizer if my skin is oily?
A: No. Oily skin often over-produces sebum because the barrier is dehydrated. Skipping moisturizer usually worsens the imbalance. Use a lightweight humectant-forward moisturizer instead.
Q: Do I need a separate hydrator and moisturizer?
A: Not necessarily. A well-formulated moisturizer does both jobs, combining humectants (for hydration) with barrier-supporting lipids and beta-glucans (for moisturization).
Q: What's the best humectant for sensitive skin?
A: Tremella mushroom extract. It hydrates like hyaluronic acid but with deeper penetration, and doesn't carry the reactivity some sensitive skin types have to glycolic or salicylic acid-based hydrators.
Q: Which Verdoie product is best for dry, dehydrated skin?
A: La Crème Hydratante hydrates and moisturizes in a single step. Pair it with Le Complément Alimentaire for barrier support from the inside.
Author: Verdoie Team
Last updated: April 2026
Sources
-
Formula Botanica: Moisturise vs Hydrate, What's the difference?
-
PubMed: Skin hydration, a review on its molecular mechanisms