Hair Company - Double Action - Cross-line Complex 50 mL
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The Cross-line Complex is a multifunctional product capable of enhancing the action of products in the Double Action line.
A new Complex with an enriched and enhanced formula that combines the power of five complexes in a single innovative booster with immediate action. A true blend of active ingredients that amplifies the effectiveness of Double Action intensive treatments.
The scalp will be oxygenated and stimulated, while the hair will be shinier and silkier. Used in synergy with shampoo, mask, and lotions, it enhances the products’ performance and ensures excellent results. Thanks to active ingredients such as niacinamide (vitamin B3), lactobacillus ferments, and salicylic acid, it has soothing, stimulating, purifying, and moisturizing properties, repairing stressed and/or damaged hair.
What we recommend it for
Enhance the action of Double Action products
Functional Ingredients
Lactobacillus Ferment, Salicylic Acid, Niacinamide
Directions for use
Directions for use with Double Action shampoos: mix 10 g of the most suitable shampoo (3 pumps) + 1 g of Cross-line Complex (1 dropperful) in a bowl. Emulsify and apply with the brush. Leave on for 3–5 minutes. Rinse and towel-dry. Directions for use with Double Action lotions: add 1 g of Cross-line Complex (1 dropperful) to the most suitable single-dose bottle. Shake and apply to the scalp using the special applicator. Massage. Do not rinse. Directions for use with Double Action Hair Repair Mask: mix 10 g of mask (3 pumps) + 1 g of Complex (1 dropperful) in the bowl. Massage and comb through. Leave on for 3–5 minutes. Rinse and towel-dry.
What is it used for?
What is it used for?
Functional additives
Functional additives
Lactobacillus Ferment, Salicylic Acid, Niacinamide
How is it used?
How is it used?
How to use with Double Action shampoos: mix 10 g of the most suitable shampoo (3 pumps) + 1 g of Cross-line complex (1 dropper application) in a bowl. Emulsify and apply with a brush. Leave on for 3–5 minutes. Rinse and pat dry with a towel. How to use with Double Action lotions: add 1 g of Cross-line complex (1 dropper application) to the most suitable single-dose bottle. Shake and apply to the scalp using the special dispenser. Massage in. Do not rinse. How to use with Double Action hair repair mask: mix 10 g of mask (3 pumps) + 1 g of Cross-line complex (1 dropper application) in a bowl. Massage in and comb through. Leave on for 3–5 minutes. Rinse and pat dry with a towel.
Ingredients
Ingredients
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Frequently asked questions
How long does shipping take?
How long does shipping take?
Products purchased on look4hair.com will be delivered throughout Italy within 72 business hours (delivery generally takes place within 24/48 business hours, except in Sicily, Sardinia, Puglia, and Calabria, where delivery is expected within 48/72 business hours) from receipt and payment of the order.
Orders received and paid for by 12:00 p.m. will be shipped the same day (excluding Saturdays, Sundays, and public holidays). For orders received and paid for after 12:00 p.m., shipment will be guaranteed by the next business day.
In some cases (e.g., strikes, weather events, special holidays, etc.), it will not be possible to guarantee delivery times.
Does my item arrive in packaging?
Does my item arrive in packaging?
All our products are delivered in protective and aesthetically pleasing packaging, designed to ensure they arrive in perfect condition. Each item is carefully wrapped, and we use eco-friendly materials whenever possible. In addition, many of our products are packaged in recyclable containers to support a more sustainable approach.
Do you also ship internationally?
Do you also ship internationally?
We ship throughout Europe!
Shipping costs to countries belonging to the European Union (Austria, Belgium, Bulgaria, Czech Republic, Denmark, Germany, Estonia, Ireland, Greece, Spain, France, Croatia, Cyprus, Latvia, Lithuania, Luxembourg, Hungary, Malta, the Netherlands, Austria, Poland, Portugal, Romania, Slovenia, Slovakia, Finland, Sweden) amount to €9.90.
What payment methods do you accept?
What payment methods do you accept?
We accept several payment methods to offer you a simple and convenient shopping experience.
You can pay with Visa, Mastercard, PayPal, Satispay, Klarna, Google Pay, Apple Pay, Scalapay.
Cash on delivery payments are available. A €5 surcharge applies to cash-on-delivery purchases.




