✔ Delivers fast-acting and long-lasting hydration using multiple molecular weights of hyaluronic acid

✔ Supports a plumper, smoother appearance by attracting moisture to the skin

✔ Helps reduce trans-epidermal water loss (TEWL) and maintain skin moisture balance

✔ Aids in maintaining a healthy skin barrier function and comfort

✔ Contains a vegan bio-designed polypeptide, a topical alternative to marine collagen, to support skin elasticity

✔ Lightweight, non-sticky texture absorbs quickly and layers well under makeup or SPF

✔ May be used as a daily hydration step or during seasonal dryness

✔ Helps support visible firmness and softness with consistent use

✔ Microbiome-supportive formula appropriate for all skin types

✔ Vegan and cruelty-free formulation

✔ Free from: Mineral Oils, Parabens, Aluminum, Phthalates, Synthetic Fragrance

✔ Hormone-safe

Cellular Defense Complex (CDC)

Cellular Defense Complex (CDC) is a potent protective blend designed to strengthen the skin’s defense mechanisms against environmental and oxidative stress. By activating key cellular pathways, it enhances antioxidant activity, supports DNA repair, and boosts skin detoxification processes. CDC helps reduce visible signs of fatigue and aging while improving overall skin resilience, clarity, and vitality. Ideal for stressed, tired, or pollution-exposed skin, it reinforces skin health at the cellular level for a stronger, more radiant complexion.

Advanced Osmolyte System (AOS)

Advanced Osmolyte System (AOS) is a synergistic blend of naturally derived osmolytes designed to optimize cellular hydration, especially under environmental stress. By balancing osmotic pressure inside and outside skin cells, this system helps prevent water loss, boosts moisture retention, and protects cell structure. AOS reinforces the skin’s barrier function and improves elasticity, delivering fast, long-lasting hydration for smooth, supple, and resilient skin—even in challenging conditions like cold, dry, or polluted environments.

Collagen Renewal Signal (CRS)

Collagen Renewal Signal (CRS) is a potent signaling molecule that helps stimulate the skin’s natural collagen production, targeting early signs of aging such as fine lines, loss of firmness, and dullness. By activating key pathways involved in dermal regeneration, CRS encourages smoother, plumper skin and supports long-term structural integrity. This ingredient is especially beneficial in formulations aiming to restore elasticity and improve overall skin texture, making it a strong choice for age-supportive and revitalizing skincare routines.

Glucan Recovery Boost (GRB)

Glucan Recovery Boost (GRB) is a soothing, skin-repairing active powered by beta-glucans that helps strengthen the skin’s natural immune defenses. It calms irritation, accelerates recovery from environmental stress, and enhances resilience by supporting the skin’s barrier function and cellular repair processes. GRB is ideal for sensitive or compromised skin, it reduces redness, improves hydration, and promotes a healthier, more balanced complexion.

Cellular Renewal Peptide (CRP)

Cellular Renewal Peptide (CRP) is a biomimetic peptide that accelerates skin regeneration and reinforces the skin barrier by stimulating the production of key structural proteins like filaggrin and involucrin. It enhances cell turnover, improves moisture retention, and strengthens the skin’s protective function, leading to smoother texture, improved elasticity, and greater resilience. CRP is ideal for aging, dry, or compromised skin, this peptide helps restore a healthy, fortified, and youthful-looking complexion.

Aquaporin Boost Active (ABA)

Aquaporin Boost Active (ABA) is a powerful hydration enhancer that works by stimulating the production of aquaporin-3—key proteins that regulate water flow within the skin. By improving moisture transport and reinforcing the skin’s barrier, ABA delivers deep, long-lasting hydration and helps maintain optimal skin balance. Clinical studies show ABA provides superior moisturization compared to glycerin, making it a strong choice for addressing dryness, dehydration, and compromised skin.


Hyaluronic Acid (HA)

Hyaluronic Acid (HA) is a powerful humectant naturally present in the skin that attracts and holds moisture, helping to maintain hydration, elasticity, and a plump, smooth appearance. It works by binding water to skin cells, replenishing moisture levels both at the surface and in deeper layers. HA not only helps reduce the appearance of fine lines and dryness but also supports the skin barrier, improving softness and resilience. Suitable for all skin types, it’s a cornerstone ingredient in modern skincare for delivering long-lasting hydration and a healthy, dewy complexion.

Use daily, morning and/or evening.
Apply 1–2 pumps to clean, damp or dry skin.

✔ Gently massage over face, neck, and décolleté

✔ Follow with moisturizer, sunscreen (AM), or other skincare products

✔ Can be used alone or to prep and plump the skin before makeup

Our Commitment to Skin Longevity & Barrier-Safe, Science-Backed Skincare

At Lontreau, we are committed to developing high-quality skincare formulations that prioritize skin resilience, hydration, and barrier health. Our products are designed to work in harmony with the skin’s natural processes, supporting moisture retention, environmental protection, and overall skin wellness. Proudly made in Canada, we carefully select clinically researched ingredients to help maintain healthy-looking skin over time.

• Science-Driven Formulations: Our products are developed with carefully chosen ingredients that support hydration, skin barrier function, and oxidative stress defense. We focus on moisture balance, protection from external stressors, and maintaining the skin’s natural integrity.

• Barrier-Supporting Approach: Healthy skin starts with a strong skin barrier. Our formulations are designed to help reduce moisture loss, support the skin’s protective layer, and promote optimal hydration levels.

• Sustainable Practices: As part of Repurpose Global’s Plastics Negative program, we remove more plastic from the environment than we use. Our recyclable packaging and airless containers are designed to help minimize waste while preserving product integrity.

• Clean Formulations: Our products are free from parabens, synthetic fragrances, phthalates, and other unnecessary additives. We focus on ingredient transparency to ensure our formulations meet high safety and quality standards.

Our High Standards for Skin Care

Lontreau products are formulated with strict ingredient selection and quality control standards to support overall skin wellness. Our skincare is:

✔ Designed to Support Skin Barrier Function – Helping to maintain moisture balance and skin resilience.

✔ Developed with Gentle, Skin-Compatible Ingredients – Suitable for a variety of skin types, including sensitive skin.

✔ Formulated Without Harsh Additives – Free from parabens, synthetic fragrances, and phthalates.

✔ Sustainably Packaged – Using recyclable materials and responsible sourcing practices.

At Lontreau, we believe in science-backed skincare that supports skin barrier health and hydration. Our mission is to provide thoughtfully formulated, high-quality products that help maintain healthy-looking, resilient skin over time.