Le Mieux Bio Cell+ Mask

A cooling, serum-infused sheet mask for immediate hydration, smoother-looking fine lines and renewed luminosity

Le Mieux Bio Cell+ Mask is an award-winning sheet-mask treatment designed to replenish dehydrated, tired-looking skin in 15 to 20 minutes. Each box contains four individually packaged masks saturated with a concentrated blend of hyaluronic acid, peptides, collagen, ferments and magnesium ascorbyl phosphate—a stable vitamin C derivative.

The cooling gel mask helps maintain close contact between the serum and the skin, allowing humectants and conditioning ingredients to deliver an immediate plumping and smoothing effect. Skin appears softer, firmer and more luminous, while the look of dehydration lines and fatigue is temporarily diminished.

Bio Cell+ Mask is especially useful before an event, after travel or whenever the complexion needs a visible hydration reset. Its results are cosmetic: the mask can make skin appear plumper and more lifted through hydration, but it does not permanently tighten the skin or replace lost dermal collagen.

Benefits

• Delivers an immediate surge of hydration
• Helps plump the appearance of dehydration lines
• Softens the visible appearance of fine lines
• Supports a smoother, firmer-looking complexion
• Revives dull, tired or lacklustre-looking skin
• Promotes a brighter and more luminous finish
• Helps condition and comfort dry-feeling skin
• Provides antioxidant support against environmental stressors
• Creates a cooling, refreshing treatment experience
• Includes four individually packaged masks per box

Best For

Bio Cell+ Mask is particularly well suited to:

• Dehydrated or moisture-depleted skin
• Dullness and loss of radiance
• Fine lines caused or emphasized by dryness
• Skin that appears tired, flat or lacklustre
• Early visible signs of aging
• Temporary loss of plumpness
• Normal, dry, combination or mature skin
• Pre-event skincare preparation
• Post-travel or seasonally dehydrated skin
• Clients seeking an intensive treatment without exfoliating acids

Clients who are highly reactive to aromatic botanical waters should patch test carefully because the formula contains lavender flower water.

Why It Is Different

Bio Cell+ Mask combines the immediate benefits of a serum-saturated sheet mask with peptides, two forms of hyaluronic acid, collagen, ferments and a stable vitamin C derivative.

The gel mask helps hold the serum against the skin for 15 to 20 minutes, reducing rapid evaporation and encouraging a temporarily plumper, smoother-looking finish. Unlike a clay or exfoliating mask, Bio Cell+ does not focus on absorbing oil or removing surface cells. Its purpose is hydration, conditioning and visible revitalization.

• Galactomyces Ferment Filtrate: Forms the serum base and helps condition, hydrate and support a more luminous-looking complexion.
• Hyaluronic Acid and Sodium Hyaluronate: Attract moisture to help skin appear smoother and more plump.
• Marine Collagen: Helps form a moisture-supporting film that promotes softness and a temporarily firmer-looking finish.
• Acetyl Hexapeptide-8: A cosmetic peptide that helps soften the appearance of expression-related fine lines.
• Palmitoyl Pentapeptide-4: Supports smoother, firmer and more refined-looking skin.
• Magnesium Ascorbyl Phosphate: A stable vitamin C derivative that provides antioxidant support and promotes visible brightness.
• Panthenol and Allantoin: Help condition and comfort dry or stressed-feeling skin.
• Botanical and Algae Extracts: Complement the formula with antioxidant, hydrating and complexion-supporting benefits.

How to Use

Use after cleansing and toning, in the morning or evening.

Carefully unfold the mask and peel it away from its paper backing. Apply the gel side directly to the face, adjusting the mask around the eyes, nose and mouth.

Leave on for 15 to 20 minutes. Remove and gently press the remaining serum into the face, neck and décolleté. Do not rinse.

The separated gauze layer may be placed over the neck and décolleté to make use of the remaining serum.

Follow with moisturizer to help seal in hydration. Each mask is intended for one application and should be discarded after use.

Loshen & Crem’s Recommendation

Bio Cell+ Mask is an excellent treatment when the complexion needs to look rested, hydrated and luminous quickly. Use it the evening before an event or approximately 30 to 60 minutes before makeup application to allow the remaining serum to absorb fully.

Do not leave the mask on overnight. Once a sheet mask begins drying, extending the treatment time does not necessarily produce better results and may become uncomfortable.

For very dry skin, follow with Bio Cell Rejuvenating Cream or another nourishing moisturizer. Combination or oilier skin may prefer a lighter gel-cream after the serum has absorbed.

The formula contains lavender flower water and several botanical extracts. Highly fragrance-reactive skin should patch test before applying the full mask. Because Le Mieux identifies the collagen as marine-derived, clients with fish allergies or ingredient-origin concerns should review the packaging and contact us before use.

Complete the Le Mieux Hydrating Radiance Routine

1. Cleanse: Phyto-Nutrient Cleansing Gel
2. Prepare: Mist with Iso-Cell Recovery Solution
3. Treat: Apply Bio Cell+ Mask for 15 to 20 minutes
4. Moisturize: Follow with Bio Cell Rejuvenating Cream or a moisturizer suited to your skin
5. Protect: Apply broad-spectrum sunscreen every morning

There is no need to add an exfoliating mask or peel during the same routine. Keeping the surrounding steps gentle allows the hydrating treatment to remain the focus.

Bio Cell+ Mask or Another Le Mieux Mask?

Each Le Mieux mask addresses a different skincare priority.

• Choose Bio Cell+ Mask for immediate hydration, visible plumping, smoother-looking fine lines and pre-event radiance.
• Choose Lavender Floral Mask for lightweight gel hydration and a calming, aromatic treatment experience.
• Choose Hyaluronic Shea Mask for richer nourishment, overnight moisture support and very dry or rough-feeling skin.
• Choose Icy Revitalizing Mask when excess oil, surface buildup and congested-looking pores are the primary concerns.

Bio Cell+ Mask is the most convenient option for travel or occasions when a single-use, serum-intensive treatment is preferred.

Why Skin Looks Plumper After a Sheet Mask

Sheet masks create a temporary occlusive environment that helps slow water loss while holding humectants and conditioning ingredients against the skin. As the outermost layers become better hydrated, the complexion can look smoother and fine dehydration lines may become less visible.

Topically applied collagen primarily acts as a moisturizing and film-forming ingredient. It does not replace collagen within the deeper layers of the skin. Its immediate firming effect comes largely from improved hydration and the flexible film it forms on the surface.

Peptides and magnesium ascorbyl phosphate complement these immediate benefits, but a single mask should not be expected to permanently lift the skin or erase wrinkles. Consistent daily skincare—including moisturizer and sunscreen—remains essential for longer-term visible improvement.

Ingredients

• Galactomyces Ferment Filtrate: Helps hydrate, condition and promote a more luminous-looking complexion.
• Sodium Hyaluronate and Hyaluronic Acid: Attract moisture for a plumper, smoother-looking finish.
• Rice Bran Water: Provides a conditioning, antioxidant-rich base.
• Collagen: Helps maintain surface moisture, softness and elasticity.
• Acetyl Hexapeptide-8: Helps soften the appearance of expression-related lines.
• Palmitoyl Pentapeptide-4: Supports smoother and firmer-looking skin.
• Magnesium Ascorbyl Phosphate: Provides antioxidant support while helping improve visible brightness.
• Panthenol: Helps hydrate and support skin comfort.
• Allantoin: Conditions and soothes dry or stressed-feeling skin.
• Camellia Sinensis Extract: Provides antioxidant and skin-conditioning benefits.
• Mulberry, Saxifraga and Scutellaria Extracts: Support a brighter, more even-looking complexion.
• Laminaria and Enteromorpha Extracts: Algae-derived ingredients that help hydrate and condition the skin.

Full Ingredient List:

Galactomyces Ferment Filtrate, Sodium Hyaluronate, Oryza Sativa (Rice) Bran Water, Hyaluronic Acid, Lavandula Angustifolia (Lavender) Flower Water, Camellia Sinensis Extract, Collagen, Acetyl Hexapeptide-8, Palmitoyl Pentapeptide-4, Magnesium Ascorbyl Phosphate, Panthenol (Vitamin B5), Saxifraga Sarmentosa Extract, Vitis Vinifera (Grape) Seed Extract, Morus Alba Root Extract, Scutellaria Baicalensis Root Extract, Glycyrrhizic Acid, Allantoin, Glucosamine HCI, Laminaria Digitata Extract, Saccharomyces Cerevisiae Extract, Yeast Extract, Fagus Sylvatica Bud Extract, Enteromorpha Compressa Extract, Chitosan, Urea, Pentylene Glycol, Caprylyl Glycol, Propanediol, Ethylhexylglycerin.

Ingredient lists may change. Always refer to the product packaging for the most current ingredient list, particularly if you have allergies or sensitivities. Contact info@loshen.ca if you need help reviewing the formula before purchasing.

Frequently Asked Questions

How many masks are included?

Each box contains four individually packaged Bio Cell+ Masks.

How often can Bio Cell+ Mask be used?

Use once or twice weekly or whenever the skin needs additional hydration and radiance. More frequent use may be appropriate if the skin remains comfortable, but daily use is not generally necessary.

Which side of the mask goes against the skin?

Remove the paper backing and apply the gel side directly to the face.

How long should I leave the mask on?

Leave it on for 15 to 20 minutes. Longer application does not necessarily improve the results, and the mask should not be worn overnight.

Should I rinse after removing it?

No. Gently press the remaining serum into the skin and follow with moisturizer if needed.

What should I do with the gauze layer?

Le Mieux recommends placing the gauze layer on the neck and décolleté so these areas can benefit from the remaining serum.

Can the mask be reused?

No. Each mask is intended for one application and should be discarded after use.

Does Bio Cell+ Mask permanently lift or tighten the skin?

No. Hydration and surface film-forming ingredients can create an immediate plumper, smoother and firmer-looking finish, but they do not permanently lift or tighten the skin.

Does topical collagen rebuild the skin’s collagen?

No. Topical collagen primarily acts as a moisturizing and film-forming ingredient. It does not replace collagen within the deeper layers of the skin.

Is Bio Cell+ Mask suitable before an event?

Yes. It is particularly useful before an event because it helps the complexion appear hydrated, smooth and luminous. Allow the remaining serum to absorb fully before applying makeup.

Is it suitable for sensitive skin?

The mask contains hydrating and conditioning ingredients, but it also includes lavender flower water, ferments and several botanical extracts. Sensitive or fragrance-reactive skin should patch test first.

Is Bio Cell+ Mask fragrance-free?

No parfum or added fragrance is listed in the published ingredient list. However, the formula contains lavender flower water, which may have a naturally aromatic character.

Is Bio Cell+ Mask vegan?

No. The formula contains collagen, which Le Mieux identifies as marine-derived. It also contains chitosan, whose source is not specified in the published ingredient list.

Can I use it if I have a fish or shellfish allergy?

Clients with fish allergies should exercise caution because the product contains marine collagen. The source of the chitosan is not specified. Consult your healthcare provider and contact Loshen & Crem for help reviewing the current packaging before use.

Can I use it with retinol or exfoliating acids?

Bio Cell+ Mask is not an exfoliating treatment and can generally be used within routines containing retinol or acids. If the skin is already irritated, dry or over-exfoliated, pause stronger actives and use a simplified hydrating routine.

Can it be used after a professional treatment?

Only when approved by the professional who performed the procedure. Post-procedure skin can be unusually reactive, and suitability depends on the treatment and the condition of the skin.

Can Bio Cell+ Mask be used during pregnancy or breastfeeding?

The published formula does not list retinoids or salicylic acid. However, pregnancy and breastfeeding considerations are individual, so consult your physician or qualified healthcare provider before introducing a new treatment.