The Moisture Surge 100H Auto-Replenishing Hydrator is a popular gel-cream moisturizer known for its ability to provide deep and lasting hydration. This article delves into the key ingredients that contribute to its effectiveness, explaining their roles and benefits for the skin.
Core Hydrating Components
At the heart of the Moisture Surge formula are ingredients designed to attract and retain moisture, ensuring the skin remains plump and hydrated.
Water (Aqua/Eau)
Good old water, aka H2O, is the most common skincare ingredient. The water used in cosmetics is purified and deionized, meaning that almost all mineral ions inside it are removed.
Hyaluronic Acid (Sodium Hyaluronate)
This is the salt form of the famous humectant and natural moisturizing factor, hyaluronic acid (HA). HA is a huge polymer found in the skin that acts as a sponge, helping the skin hold onto water, remaining plump and elastic. Sodium hyaluronate and hyaluronic acid are pretty much the same; their names are often used interchangeably. While some sources suggest sodium hyaluronate is smaller and penetrates better, chemically, both are polymers with similar properties.
Aloe Bioferment
The aloe vera plant is concentrated over 500 times and then transformed into a bioferment through a meticulous 10-step fermentation process. This results in a nutrient-rich ingredient that helps skin retain moisture. The fermentation process breaks down actives into smaller, more bioavailable molecules, making them more penetrable.

Hydroxyethyl Urea
A humectant that helps attract water molecules to the upper layer of the skin, contributing to ideal hydration.
Saccharide Isomerate
A 100% natural and plant-derived moisturizer that mimics the natural carbohydrate fraction found in the upper layer of the skin, helping it hold onto water.
Saccharomyces Lysate Extract
Derived from milk (whey), this ingredient is claimed to boost the production of extracellular matrix components like hyaluronic acid and collagen. It is also known to support skin barrier restoration and potentially offer anti-aging benefits.
Emollients and Barrier Support
To complement hydration, emollients are included to soften the skin and prevent moisture loss.
Dimethicone
Probably the most common silicone, dimethicone makes the skin silky smooth, creates a subtle gloss, and forms a protective barrier (occlusive). It also works to fill in fine lines and wrinkles, giving the skin a temporarily plump look. In hair care, it smooths hair and stays on rather than evaporating. However, depending on hair type, it can be difficult to wash out and may cause build-up.
Caprylyl Glycol
This handy ingredient provides a nice, soft feel to the skin. It also acts as a preservative booster, antioxidant, and soothing agent. When blended with phenoxyethanol, it forms Optiphen, which helps preserve the product and improves its feel.
Glyceryl Polymethacrylate
A film-forming and thickening polymer that comes as part of an emulsifier/thickener trio. It helps create gel-like textures and stabilizes oil-in-water emulsions.
Antioxidant Protection
The formula includes ingredients to shield the skin from environmental stressors.
Vitamins C and E (Magnesium Ascorbyl Phosphate, Tocopheryl Acetate)
This blend of vitamins provides antioxidant protection against daily dehydrators, helping the skin become more resilient. Tocopheryl Acetate is a common form of vitamin E used in cosmetics.
Camellia Sinensis (Green Tea) Leaf Extract
Green tea is one of the most researched natural ingredients, with its active parts being polyphenols, specifically catechins like EGCG. It offers antioxidant benefits.
Silybum Marianum (Lady's Thistle) Extract
This extract contains silymarin, a potent antioxidant, anti-inflammatory agent, and UV-protectant. It can be beneficial for conditions like rosacea and enhances sunscreen efficacy.
Specialized and Supporting Ingredients
Several other ingredients play specific roles in the product's performance and texture.
Butylene Glycol (BG)
A colorless, syrupy liquid that acts as a solvent, penetration enhancer, slip agent, and humectant. It's approved by Ecocert and is frequently used in natural products.
Caffeine
Known as a stimulant, caffeine also possesses antioxidant properties and can improve microcirculation. While research on its effectiveness for dark circles and puffiness is mixed, it shows promise for hair growth.
Palmitoyl Hexapeptide-12
A six-amino-acid peptide claimed to improve skin firmness and tone. Studies suggest it can enhance skin firmness and tone with regular application.
Betula Alba (Birch) Bark Extract
Extracted from the silver-white bark of the birch tree, this ingredient can improve the skin barrier, increase hydration, and reduce trans-epidermal water loss.
Thermus Thermophillus Ferment
This ingredient, derived from a marine microorganism, offers antioxidant protection and helps protect against environmental damage.
Lactobacillus Ferment Lysate
A probiotic-derived ingredient that can help support the skin's microbiome and improve skin barrier function.
Texture and Formulation Enhancers
These ingredients contribute to the product's pleasant feel and stability.
Ammonium Acryloyldimethyltaurate/Vp Copolymer
A polymer that helps create gel-like textures and acts as a thickener for oil-in-water emulsions.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
This polymer acts as a thickener and emulsion stabilizer, being part water-loving and part oil-loving.
Tromethamine
A pH adjuster that helps neutralize acidic ingredients to achieve the optimal pH for the product.
Hydrogenated Lecithin
A chemically modified form of lecithin that acts as an emulsifier, helping to blend oil and water components.
Oleth-10
A surfactant and emulsifier that helps water and oil mix.
Sodium Polyaspartate
A polymer that can help with skin conditioning and texture enhancement.
Preservatives and Stabilizers
These ingredients ensure the product remains safe and effective over time.
Phenoxyethanol
A common preservative that works against mold and yeast. It's often used with other preservatives to enhance efficacy.
Potassium Sorbate
A preservative that works against mold and yeast, most effective at acidic pH levels.
BHT (Butylated Hydroxytoluene)
A synthetic antioxidant used as a preservative. While there has been controversy, regulatory bodies deem it safe for cosmetic use at low concentrations.
Disodium EDTA
A chelating agent that neutralizes metal ions, helping to stabilize the formula.
Sodium Citrate
Used to adjust pH and as a chelating agent.
Colorants
These provide the product's visual appeal.
Red 4 (CI 14700) and Yellow 5 (CI 19140)
These are common colorants used in skincare and makeup. While generally safe, allergic reactions are possible in rare cases.
How Sodium Hyaluronic Acid Hydrates and Restores Skin | 3D Animation Explainer
Product Benefits and Claims
The Moisture Surge 100H Auto-Replenishing Hydrator is formulated to deliver:
- Instant hydration and glow.
- 100 hours of stabilizing hydration.
- Soothing of skin in 3 seconds.
- Protection against daily dehydrators.
- A smooth canvas for makeup application.
The product is free of fragrance, parabens, phthalates, oil, and drying alcohol. It is dermatologist-tested, safe for sensitive skin, and allergy-tested.
Usage and Expert Opinions
The gel-cream can be used morning and night on clean skin. It can be applied under or over makeup and also as a 5-minute moisture mask. Dermatologists praise its lightweight, gel-cream texture that delivers long-lasting hydration without greasiness, making it suitable for normal to dry, and even acne-prone skin types.

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