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Stylage Bi-Soft – the differences between S, Hydromax, M, L and XL

Stylage® · Vivacy Laboratoires · IPN-Like technology

The Stylage Bi-Soft range – the differences between S, Hydromax, M, L and XL

Five products with gradually increasing viscosity and concentration, from superficial skin quality to deep structural volumisation. Here you get a full overview of what distinguishes Vivacy's Bi-Soft range, and which product suits which treatment area.

🇫🇷 Quality assured by the BC Nordic professional team · Last updated 21 July 2026 · Based on Vivacy's product documentation
IPN-Like technology Vivacy Laboratoires, France CE marked medical device

The IPN-Like technology

The Stylage range from the French laboratory Vivacy is built on patented IPN-Like (Interpenetrated Polymer Network) technology, which combines cross-linked and non-cross-linked hyaluronic acid in the same gel. The combination gives better tissue integration and more even spread than traditional monophasic fillers. L and XL additionally add mannitol as an antioxidant to protect the gel against degradation by free radicals and extend its durability.

The five products — concentration and area of use

Hydromax →
12,5 mg/g · Skin booster
Lightly cross-linked HA for skin quality and hydration. Not a filler — treats dry wrinkles on the face, neck, décolletage and eye area. Without lidocaine.
S →
Low viscosity · Superficial
Monophasic gel with low viscosity for even distribution in superficial tissue. Treats fine wrinkles and improves the skin's texture.
M →
Medium depth
Injected medium to deep in the dermis. Treats glabellar and nasolabial folds, lips, oral commissure lines, deeper scars and hands.
L →
24 mg/g · Deep
Injected deep in the dermis, with added mannitol as an antioxidant. Treats glabellar wrinkles, nasolabial folds, lips, deep scars, cheeks and jawline.
XL →
26 mg/g · Highest concentration
The highest concentration in the range. Designed for structural volumisation in the cheeks and along the jawline, as well as nose shaping.

Comparison table

Product HA concentration Lidocaine Area of use
Hydromax 12,5 mg/g No Skin quality, hydration, eye area
S Low Yes Superficial wrinkles, skin texture
M Medium Yes Nasolabial folds, lips, scars
L 24 mg/g Yes Deep wrinkles, cheeks, jawline
XL 26 mg/g Yes Jawline, nose, structural volume

Which product suits which treatment goal?

Dry skin and general hydration
→ Hydromax
Fine lines and superficial texture
→ Bi-Soft S
Nasolabial folds and lip contour
→ Bi-Soft M
Deep scars and cheek volume
→ Bi-Soft L
Structural volume in the jawline and nose
→ Bi-Soft XL

Frequently asked questions about Stylage Bi-Soft

What is the difference between Stylage Bi-Soft S, M, L and XL?

The difference lies in the concentration of hyaluronic acid and the injection depth. S has the lowest concentration and is injected superficially for fine wrinkles. M provides medium depth for nasolabial folds and lips. L has 24 mg/g and is injected deeply for deep wrinkles, scars and the jaw. XL has the highest concentration (26 mg/g) and is used for structural volumisation in the cheeks, jawline and nose.

What is IPN-Like technology?

IPN-Like (Interpenetrated Polymer Network) is Vivacy's patented technology that combines cross-linked and non-cross-linked hyaluronic acid in the same gel. This gives better tissue integration, more even spread and longer durability than traditional monophasic fillers.

What is Stylage Bi-Soft Hydromax, and how does it differ from the rest of the range?

Hydromax is the only product in the range designed for skin quality and hydration rather than wrinkle filling. With only 12,5 mg/g lightly cross-linked hyaluronic acid, it is a skin booster intended for dry, dehydrated skin on the face, neck, décolletage and the eye area — not for volume or structural correction.

Which Stylage product is suitable for the jawline and nose?

Stylage Bi-Soft XL, with the highest concentration in the range (26 mg/g), is specifically designed to restore volume in the cheeks, along the jawline and for nose shaping.

Do all Stylage Bi-Soft products contain lidocaine?

Yes, S, M, L and XL all contain 0,3 % lidocaine for increased injection comfort. Hydromax is the exception — as a skin booster it is formulated without lidocaine.

Is BC Nordic the official distributor of Stylage in the Nordics?

Yes. BC Nordic is the official distributor of Vivacy Laboratoires' Stylage range in Norway, Sweden, Denmark and Finland, and stocks the entire Bi-Soft range in its own warehouse in Oslo for fast delivery to clinics in all four markets.

Stylage® · Vivacy · BC Nordic

The complete Stylage Bi-Soft assortment at BC Nordic

BC Nordic distributes the entire Stylage range from Vivacy to clinics in the Nordics, with fast delivery and professional support.

View the entire Stylage assortment →