Line

Muse Red Line

MUSE RED LINE

Muse Bio Tight Serum

Concentrated anti-wrinkle serum with regenerating exosomes that smooth expression lines and firm the skin.

5,0 · 1 review
$54.00 USD
30ML

$180.00 / 100 ml

Price includes 23% VAT

Ships within 24 h on business days

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  • Made in Israel
  • Dermatologically tested
  • Authorized distribution
  • Dispatched within 24 hours
$54.00 USD
Muse Bio Tight Serum
Active ingredients

What really works in this formula

Active ingredients selected by Christina cosmetologists — each with documented effectiveness in professional skin care.

Acetyl Hexapeptide-8

Acetyl Hexapeptide-8 Acetyl Hexapeptide-8 (Argireline)

Concentration 5-10% (Argireline)

Acetyl Hexapeptide-8 (known as Argireline) is a synthetic hexapeptide designed as a biotechnological alternative to botulinum toxin — without medical intervention. It works by inhibiting the release of neurotransmitters responsible for the contraction of expression muscles, thereby reducing dynamic wrinkles (crow's feet, frown lines, forehead lines). Unlike Botox, it does not paralyse the muscles but subtly limits their reactivity, which makes the effect natural and free of the risk of a frozen "mask". Clinical studies have proven a reduction in wrinkle depth of up to 30% after 30 days of regular use. Recommended in anti-wrinkle products for mature skin with visible expression lines, particularly around the eyes and forehead.

BOTOX EFFECT
Clinical studies

10% Argireline: a 30% reduction in the depth of expression wrinkles in 30 days (Lipotec/Lubrizol clinical study, n=10).

Mechanism of action

Mimicking the N-terminus of SNAP-25, it inhibits formation of the SNARE complex at neuromuscular synapses — limiting acetylcholine release and contraction of expression muscles.

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Sericin

Sericin Sericin (Silk Protein)

Concentration 0.5-3% (silk sericin)

Sericin is a natural silk protein that surrounds fibroin fibres, obtained during the processing of mulberry silkworm cocoons. In cosmetics it acts as a natural film-forming ingredient that creates an invisible structure on the skin's surface, with an immediate tightening and smoothing effect. Rich in 18 amino acids (including serine, threonine, glycine), it penetrates the epidermis and strengthens the natural protective barrier while increasing hydration levels. It has antioxidant and anti-inflammatory properties, protecting the skin against oxidative stress and photoageing. Ideal in products with an immediate lifting effect — it gives the skin an almost silky smoothness and radiance, which is why it is the signature of Christina's luxurious Silk line.

LIFTING EFFECT
Clinical studies

A 35% increase in hydration in 14 days (corneometer, n=25). Antioxidant activity 2.5x higher by ORAC than vitamin E (Aramwit et al., 2010).

Mechanism of action

Forms a cationic protective film that binds to keratin. Its 18 amino acids (mainly serine, threonine) act as a natural NMF, retaining moisture in the stratum corneum.

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Elasticity Enhancer

Elasticity Enhancer Elasticity Enhancer Complex

Concentration 1-3% (peptide complex)

Elasticity Enhancer is an advanced active complex designed specifically to strengthen the skin's fitness fibres — elastin and collagen. It consists of synergistic biopeptides that stimulate elastin synthesis in fibroblasts and inhibit elastase enzymes, which are responsible for breaking down existing fitness fibres. It works in multiple directions — not only stimulating the production of new elastin, but also preserving the skin's existing structural network. After regular use, a clear improvement in skin tension, tone and resistance to gravity is observed, and wrinkles become less visible. An ideal ingredient in intensive anti-ageing care for mature skin with sagging tissues and lax skin.

ELASTICITY
Clinical studies

A 24% increase in skin elasticity over 8 weeks (cutometer R5/R7, n=30). A 56% inhibition of elastase in-vitro.

Mechanism of action

Biopeptides stimulate transcription of the ELN (elastin) gene in fibroblasts. They inhibit the elastase enzyme responsible for breaking down existing elastin fibres.

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Who it's for

Recommended for: all skin types.

ContraindicationsDo not use on damaged or irritated skin. In case of allergic reaction, discontinue use. Avoid contact with eyes.

How to use

  1. Apply a few drops to cleansed skin before moisturizer
  2. Gently pat until absorbed
  3. Use morning and/or evening

Results

Smoothing and anti-aging effect.

Full ingredients (INCI)

Water (Aqua), Hamamelis Virginiana (Witch Hazel) Extract, Hydrolyzed Chenopodium Quinoa Seed, Propanediol, Algin, Phenoxyethanol, Glycerin, Polysorbate 20, Caprylyl Glycol, Calcium Ketogluconate, Hydrolyzed Silk, Silk, Ethylhexylglycerin, Fragrance (Parfum), Benzyl Alcohol, Potassium Sorbate, Rosa Gallica Flower Extract, Alcohol, Hexamethylindanopyran, Sodium Benzoate, Citric Acid, Acetyl Hexapeptide-8, Trimethylbenzenepropanol, Citrus Aurantium Peel Oil, Hexyl Cinnamal, Limonene, Hydroxycitronellal, Linalool, Sodium Metabisulfite.

Personalisation

Check if this product suits your skin

Take the 60-second quiz or log in to see how this product matches your skin type and concerns.

Your routine

Full care routine from this line

Skinimalism 2.0: daily AM/PM base (3 steps) + boosters 1-3 times a week. All from one line – ingredient synergy and automatic bundle discount.

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Boosters — optional routine upgrades: exfoliation 1–2× a week, toner daily after cleansing, mask 1× a week, eye cream when you want to focus on the eye area.

Your set — discount on the cheapest

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Recommendations based on orders.

Your set — discount on the cheapest

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Client reviews

FAQ

Frequently Asked Questions

All you need to know before buying and while using

When will I see the first results?
The first results (hydration, smoothing, a soothing effect) are visible within the first few days of use. Full corrective results (even skin tone, reduced wrinkles, regeneration) appear after 4–6 weeks of consistent care — in line with the skin's natural renewal cycle. You'll get the best results by following the complete line routine twice a day.
Results
How can I check whether this product suits my skin type?
Check the Recommendations field in the Product details section — you'll find precise guidance on skin type there. If you're unsure, take advantage of our free online skincare consultation — our expert will select products tailored to your skin. You can also complete our interactive skincare quiz.
How to use
Can I combine this product with other Christina lines?
Yes. All Christina lines are designed for compatibility. You'll get the best results by following a complete routine from a single line — the products mutually reinforce each other's effects. You can also combine products from different lines (e.g. a Forever Young serum + a Muse cream) — there are no contraindications.
How to use
What is the delivery time?
Orders placed on business days before 11:30 are shipped the same day — you'll receive your parcel the next business day. Free delivery for orders over PLN 200. Standard processing time: 24–48 business hours.
Shipping
Can I return a product?
You have 14 days to return a purchased product from the moment of delivery, in accordance with Polish consumer law. The product must be unopened and in its original packaging. More information in our return policy.
Returns
Are Christina products tested on animals?
No. Christina Cosmetics is a cruelty-free brand — we do not test ingredients or finished products on animals. We verify the safety of our formulas in clinical trials with volunteers under dermatological supervision.
Safety
Are the products safe during pregnancy and breastfeeding?
Most Christina products are safe during pregnancy and lactation — look for the 'Pregnancy safe' badge on the product page. Products containing retinol, higher concentrations of AHA/BHA acids, or strong actives are not recommended during pregnancy. If in doubt, consult a dermatologist or our skincare specialist.
Safety
How should I store the product after opening?
Store Christina products at room temperature (15–25°C), away from direct sunlight and heat sources. After opening, the product retains its full efficacy for the period marked with the PAO symbol (e.g. 12M = 12 months) on the packaging. Products with active vitamins (C, retinol) should be stored away from light.
How to use
How should I apply Christina cosmetics correctly?
Apply Christina cosmetics in order from the lightest to the richest texture: toner, serum, cream, oil. Apply to clean, slightly damp skin using circular motions from the center of the face outward. A full routine takes 3–5 minutes, twice a day.
How to use
What is Christina Cosmetics?
Christina Cosmetics is an Israeli brand of professional skincare cosmetics with a 40-year history. It specializes in advanced formulas that combine natural ingredients with the achievements of biotechnology. The products are available in beauty salons and clinics worldwide.
About the brand
How much does delivery of Christina cosmetics cost?
Delivery of Christina cosmetics is free for orders over PLN 200. For smaller orders, the standard delivery cost is PLN 12 by InPost courier and PLN 9 to a parcel locker. We ship within 24 business hours.
Shipping
Is Christina a natural cosmetics brand?
Yes, Christina Cosmetics uses natural plant extracts as the base of its formulas, combining them with active biotechnological ingredients. The BioPhyto, Forever Young, and Muse lines contain plant oils, herbal extracts, hyaluronic acid, and vitamins. All products are cruelty-free, paraben-free, and SLS-free.
Ingredients
Which Christina line is right for my skin?
Choose a line according to your skin type: BioPhyto for sensitive skin, Forever Young for mature skin with signs of aging, Muse for normal and combination skin, Rose de Mer for peeling, Comodex for acne-prone skin. Take our online skincare quiz to get a tailored recommendation.
Choosing
Where can I buy original Christina cosmetics in Poland?
You can buy original Christina cosmetics in Poland on the official website christinacosmetics.pl. We are the authorized distributor of the Christina brand for the Polish market. We guarantee full authenticity, product certificates, and the freshest batches from the factory in Israel.
Purchase

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