Vitta Gold Top One Hyalugen Repair Serum 90ml

Meet the Vitta Gold Top One Hyalugen Nutri-Oils Repair Serum - 90ml: the finishing leave-in step of Vitta Gold's Top One Nanoplastia home-care line. A creamy, low-pH formula designed to care for and protect chemically treated hair, the serum carries the same Hyalugen Technology signature as the rest of the routine -- hydrolyzed collagen and sodium hyaluronate -- wrapped in a five-oil stack (coconut, sunflower, argan, grape seed, jojoba) for cuticle sealing, anti-frizz action, and intense shine. Applied to towel-dried hair after the wash routine and before heat-styling, the serum is the natural closing partner to the Top One Hyalugen Conditioner and the weekly Hair Repair Mask.

At a glance

Format & size: 90ml leave-in finishing serum
Technology: Hyalugen Technology (hydrolyzed collagen + sodium hyaluronate)
Five nutri-oils: coconut, sunflower, argan, grape seed, jojoba
Formula signature: creamy, low-pH
Best for: chemically treated, color-treated, bleached, keratin-finished, or post-smoothing hair
Application: leave-in, used after washing, before blow-drying and styling
Period after opening: 6 months — made in Brazil — EU RP: Avanzza B.V., Amsterdam

Vitta Gold Top One Hyalugen Nutri-Oils Repair Serum - 90ml: what it is

The Top One Hyalugen Repair Serum is the leave-in finishing step of Vitta Gold's Top One Nanoplastia home-care line. Where the shampoo cleanses, the conditioner conditions, and the mask delivers a weekly deep-conditioning session, the serum closes the routine. Its job is the last layer of care before styling: helping to seal the cuticle, smoothing the appearance of split ends, protecting the lengths against heat damage from blow-drying and flat irons, and adding the kind of glossy intensity that finishes a salon-grade look. The creamy, low-pH formula is designed specifically for chemically treated hair -- color, bleach, or post-smoothing -- where cuticle sealing and shine support matter most.

Key ingredients (per published INCI)

Hydrolyzed Collagen + Sodium Hyaluronate (the Hyalugen Technology pair) - The same protein-and-moisture duo that runs through the Top One Cleansing Shampoo and Smoothing Conditioner. Hydrolyzed collagen supports the protein structure along the cuticle; sodium hyaluronate is a humectant that binds moisture. Together they form the Hyalugen signature that carries across the daily wash routine into the leave-in finishing step.
Cocos Nucifera (Coconut) Oil - A reparative oil familiar for porous hair; intensifies shine and adds a silky-soft finish to the lengths.
Helianthus Annuus (Sunflower) Seed Oil - Lightweight, deeply moisturizing; protects the cuticle and supports color brightness.
Argania Spinosa Kernel Oil (Argan) - Known for moisturizing and revitalizing dry, chemically processed hair; the classic Brazilian-finish shine oil.
Vitis Vinifera (Grape) Seed Oil - Rich in antioxidants and vitamin E; nourishes and protects while extending color longevity.
Simmondsia Chinensis (Jojoba) Seed Oil - A light, sebum-mimicking oil that conditions without weighing hair down -- the key to the serum's "leave-in but not heavy" handling.

What you can expect

From the very first application, hair tends to feel smoother and look glossier as the oils and Hyalugen pair seal the cuticle. The anti-frizz action sets in during blow-drying; the heat-damage protection works while you style. Across a few weeks of consistent use as the finishing step of the routine, the cumulative effect shows up in three places: less visible flyaway and frizz, a more even shine across the lengths, and a salon-finish handling on hair carrying a Brazilian smoothing, color, or bleach service. The low-pH formula helps the cuticle stay sealed across the day, which is what gives the serum its lasting smoothness rather than a quick gloss that washes out.

Who it is for

Anyone maintaining a salon Top One Brazilian smoothing, keratin, or chemical-straightening result who wants the finishing leave-in step that the line was designed around
Color-treated and bleached hair that needs daily heat-styling protection plus shine support
Hair prone to frizz, flyaway, or split-end appearance that wants a creamy leave-in rather than a heavy oil
Shoppers building the complete Top One Hyalugen home-care routine alongside the shampoo, conditioner, and mask

Professional recommendation

For the best result, use the serum as the closing step of every wash. Stylists pair the Top One Hyalugen Cleansing Shampoo with the Smoothing Conditioner at every wash, finish a damp-hair pass with the serum, then blow-dry and style. On the weekly mask day, swap the conditioner for the Hair Repair Mask, rinse, then continue with the serum and the same blow-dry. Because the serum shares the Hyalugen signature with the rest of the line, the technology compounds across the routine: the shampoo and conditioner deliver the daily contact, the mask delivers the weekly deep-conditioning session, and the serum delivers the finishing seal before styling. Pro tip from the brand: a small amount goes a long way -- start with a coin-sized dose for mid-length hair, more for thicker or longer lengths.

How to use

Wash hair with the Top One Hyalugen Cleansing Shampoo. Rinse.
Apply the Top One Hyalugen Smoothing Conditioner (or, on the weekly mask day, the Top One Hyalugen Hair Repair Mask). Rinse.
Towel-dry the hair so it is damp, not wet.
Dispense a small amount of serum into your palms.
Spread it evenly along the lengths, from mid-length to ends. Avoid the scalp.
Blow-dry and style as desired. Do not rinse out.

Safety: For external use only. Avoid contact with eyes — in case of contact, rinse thoroughly with plenty of water. Do not expose the product to direct sunlight or excessive heat. Store in a cool place. Keep out of reach of children and pets. Period after opening: 6 months. Batch and expiration date: see print and symbols on the packaging.

In short

Leave-in finishing serum built on Hyalugen Technology
Five nutri-oils (coconut, sunflower, argan, grape seed, jojoba) + hydrolyzed collagen + sodium hyaluronate
Creamy, low-pH formula designed for chemically treated hair
Seals the cuticle, reduces frizz and split-end appearance, protects against heat damage
Closing step of the Top One Hyalugen routine, used before blow-drying and styling
90ml retail size, made in Brazil, EU-compliant

Explore other Vitta Gold systems

Vitta Gold Nanoplex Arginine Home Care Kit - 1590ml -- the home-care set built around Vitta Gold's arginine and amino-acid Nanoplastia technology, designed for color-care maintenance.
Vitta Gold Silk Express Tanino Blend Complete Home Care - 1790ml -- the full home-care set with Vitta Gold's tanino-blend cleansing, smoothing, and finishing formulas.

Frequently asked questions

What is this serum, and how does it work?

The Top One Hyalugen Repair Serum is a leave-in finishing serum -- creamier than a hair oil, lighter than a deep-conditioning treatment. It carries Hyalugen Technology (hydrolyzed collagen + sodium hyaluronate) for protein support and moisture binding, plus a five-oil stack (coconut, sunflower, argan, grape seed, jojoba) for cuticle sealing and anti-frizz action. The low-pH creamy texture helps the cuticle stay sealed after the wash routine, which is what gives the hair lasting smoothness and shine rather than a quick gloss that disappears.

How do I apply it -- wet hair or dry hair, how much, do I rinse?

Apply after washing, on damp (not wet) hair. Towel-dry first, then dispense a small amount into your palms and spread it through the lengths from mid-length to ends. Avoid the scalp. Then blow-dry and style as desired. The serum is leave-in, so you do not rinse it out. A coin-sized dose suits mid-length hair; thicker or longer lengths need a slightly larger amount. The bottle is 90ml because a small dose goes a long way -- it is sized for daily use across several months.

Will this protect my hair from heat?

Vitta Gold positions the serum as protecting against heat damage, which is one of the four claims on the back of the bottle. The oils and Hyalugen pair help shield the cuticle during blow-drying and styling. That said, if you are using high-heat styling tools daily (flat irons at 200°C or above), pairing the serum with a dedicated heat protectant offers an extra layer of insurance. For most users finishing with a blow-dry and a moderate-heat round brush, the serum's built-in heat protection is the intended finishing step.

Will it extend my salon Brazilian smoothing or keratin result?

That is exactly what the serum is positioned for. The Top One line is the at-home maintenance system for the salon Top One Hair Smoothing Protein Treatment, and the serum is the leave-in finishing step. The low-pH formula helps keep the cuticle sealed between washes, which directly supports the longevity of a Brazilian smoothing or keratin service. The Hyalugen Technology pair (hydrolyzed collagen + sodium hyaluronate) is the same one used in the shampoo and conditioner, so the technology compounds across daily use into the finishing step.

Can I use the serum on its own, or do I need the full Top One routine?

You can absolutely use the serum on its own as a leave-in finishing step after any wash routine. It will still deliver its anti-frizz, shine, and heat-protection benefits. That said, the serum is designed as the closing step of the complete Top One Hyalugen line, and the brand recommends using it after the Cleansing Shampoo + Smoothing Conditioner (or, on the weekly mask day, after the Hair Repair Mask). When paired with the full system, the Hyalugen Technology layers in at every step of the wash and finishes with the leave-in seal -- that is when the routine performs at its peak.

Will it weigh down my hair or cause buildup?

The serum is formulated with silicones (cyclopentasiloxane, dimethicone, dimethiconol, and a dimethicone crosspolymer) for the cuticle slip, anti-frizz action, and lasting smoothness it delivers. A small amount goes a long way, so applying more does not give a better result -- it gives heavier, weighed-down hair. With a coin-sized dose for mid-length hair and the standard wash routine in place, buildup is not a typical concern; the Top One Cleansing Shampoo at every wash refreshes the lengths. If you prefer a strictly silicone-free routine, this serum is not the right pick.

Who should not use this serum?

The serum is not the right pick for shoppers on strictly vegan routines -- it contains hydrolyzed collagen, which is animal-derived. It is not the right pick for shoppers seeking a strictly silicone-free finishing product. It declares seven EU fragrance allergens (alpha-isomethyl ionone, coumarin, hexamethylindanopyran, hydroxycitronellal, linalool, linalyl acetate, tetramethyl acetyloctahydronaphthalenes), so people with known fragrance sensitivities should review the bottle label or choose a fragrance-free alternative. The serum uses DMDM hydantoin as a preservative; shoppers avoiding formaldehyde-releasing preservatives may prefer a different formula. The full INCI is printed on the bottle.