Moisturizing vs. Hydrating: The Skincare Difference Explained

TL;DR: Hydration adds water to the skin. Moisturizing helps keep it there. Hydrating ingredients (humectants like tremella) attract and bind water to the skin, while moisturizing ingredients (like beta-glucans and lipids) help strengthen the skin barrier to reduce transepidermal water loss. Verdoie's La Crème Hydratante combines both, pairing tremella's hydrating properties with barrier-supporting beta-glucans as the topical half of Le Shroom Stack™.. 

What's the difference between moisturizing and hydrating?

Hydration replenishes water in the skin's outermost layer. Moisturizing helps strengthen the skin barrier, reducing transepidermal water loss so that hydration lasts longer.

Both are essential. Hydrated skin without barrier support loses water more quickly. Moisturized skin that's still lacking water can continue to feel tight, dull, or dehydrated.

What are humectants, and why do they matter?

Humectants attract and bind water to the skin, helping increase hydration. Tremella mushroom extract, the hero humectant in La Crème Hydratante, is naturally rich in polysaccharides and beta-glucans that help attract and retain water for long-lasting hydration. This helps leave skin feeling comfortable, supple, and resilient.

What actually moisturizes skin?

Moisturizing ingredients help strengthen the skin barrier, reducing transepidermal water loss (TEWL) so skin can better retain hydration. La Crème Hydratante combines mushroom-derived beta-glucans with barrier-supporting lipids to help reinforce the skin barrier, leaving skin feeling softer, smoother, and more resilient.

What happens when skin water content drops too low?

According to the review Skin Hydration: A Review on Its Molecular Mechanisms, adequate water content in the skin's outermost layer is essential for healthy desquamation and maintaining skin barrier function.

Environmental stressors such as low humidity, sun exposure, wind, and frequent cleansing can increase water loss. Formulas that combine humectants with barrier-supporting ingredients, like tremella mushroom extract, beta-glucans, and lipids, help replenish hydration while reducing transepidermal water loss.

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: No. Oily skin can still be dehydrated. Skipping moisturizer won't restore hydration, instead, choose a lightweight formula that hydrates while supporting the skin barrier.

Q: What's the best humectant for sensitive skin?

A: Tremella mushroom extract is one of our favorites. As a natural humectant, it helps bind water to the skin, delivering lasting hydration without a heavy feel.

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

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