L'Oréal Paris Keratin Alpha Sleek Serum

50 ml
CHF460.–/1l
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Product details

Experience long-lasting smooth, controlled hair with the Keratin Alpha Sleek Mirror Serum from L'Oréal Professionnel. The professional hair serum contains 5% Keratin Sealer, which seals the keratin structure of the hair, ensuring smoothness, frizz control and volume management - for a perfect finish for up to 10 washes. The innovative formula tames frizz even at up to 80% humidity, protects your hair from heat up to 230°C and reduces styling time by up to 50%. The serum is heat-activated: Blow-drying is sufficient for immediate results, for longer-lasting straightening and anti-frizz results, a straightening iron is also recommended. In combination with the complete Keratin Alpha Sleek care routine, you can transform your hair into smooth, frizz-free and shiny hair for up to 2 weeks. Benefits: 5% Keratin Sealer seals the keratin structure of the hair; Long-lasting smoothness and frizz control for up to 10 hair washes; Tames frizz even in high humidity; Heat protection up to 230 °C; Shortens styling time by up to 50%; Suitable for all hair types; Free from alcohol and artificial colourants; For a professional, shiny finish at home, Application: Prepare: Shake the serum well before use and apply a small amount (2-3 pumps) to towel-dried hair. Distribute: Work evenly into lengths and ends to seal the keratin structure. Activate styling: Blow dry your hair completely. For longer-lasting straightening and anti-frizz results, follow with a straightening iron. Combine: For maximum effect, use the serum in combination with Keratin Alpha Sleek Shampoo and Smooth Transformer.

Key specifications

Hair care type
Hair serum
Care need
Anti-frizzCapacitySmoothening
scalp
All scalp types
Hair type
All hair typesUnruly hair
Effect
CaringProtectiveRefreshingShinySmoothing
Content features
Sulphate-freeWithout dyestuffs
Content
50 ml

General information

Item number
66953882
Manufacturer
L'Oréal Paris
Category
Hair oils
Manufacturer No.
E4564800
Release date
4.2.2026
Sales rank in Category Hair oils
66 of 1899

Target group

Target group
MenWomen

Haircare product properties

Hair care type
Hair serum
Care need
Anti-frizzCapacitySmoothening
scalp
All scalp types
Hair type
All hair typesUnruly hair
Product line
Keratin Alpha Sleek

Ingredients

Effect
CaringProtectiveRefreshingShinySmoothing
Content features
Sulphate-freeWithout dyestuffs

Origin

Country of origin
SpainSwitzerland

Voluntary climate contribution

CO₂ emissions
9.4 kg
Climate contribution
CHF 0.23

Product dimensions

Content
50 ml

Package dimensions

Length
11 cm
Width
4.70 cm
Height
5.90 cm
Weight
142 g

Ingredients and instructions for use

Ingredients
1261091 B2 - INGREDIENTS: DIMETHICONE • BIS-(MORPHOLINOMETHYL C1-4 DIALKOXYSILOXY) DIMETHICONE • BIS-CETEARYL AMODIMETHICONE • PARFUM / FRAGRANCE • LINALOOL • CITRONELLOL • GERANIOL (F.I.L. N70063363/1).
Instructions for use
Shake before use. Towel-dry your hair, comb it through and divide it into two sections. Spray the product onto your hand; start with 2 to 4 sprays for fine to normal hair and 6 to 8 sprays for thicker hair. Rub the product between your hands and then distribute it evenly along the lengths and ends. Do not rinse. Blow-dry. For best results, use a straightening iron.

30-day right of return if unopened
No warranty
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