1. Wash hair with SO Liss SK Shampoo as many times as necessary to remove all residue, leaving the shampoo in the hair for 3 minutes during the last application.

2. Rinse thoroughly, ensuring no shampoo residue remains.

3. Completely dry the hair, divide it into 4 sections and starting from the nape, apply Step 2 SO Liss SK lock by lock from root to tips using a brush. Gently massage and comb through to distribute the product evenly.

4. Leave the product on the hair for 40 minutes.

5. After the 40-minute wait, rinse thoroughly with lukewarm or cold water for 5 minutes until all the product is removed.

6. Apply a quantity of Neutralizing Mask SK (for dark hair) or Neutralizing Blonde Mask SK (for blonde hair) to wet hair, gently massaging downwards throughout the hair. Leave on for 5 to 15 minutes, then rinse well.

7. Perform an excellent brush and use a straightener set between 190° to 230°C, passing 7 to 10 times slowly to achieve perfect straightening and intense shine. Iron more at the roots and less at the ends.

Strand Test: Reserve a small lock at the lower part of the nape. With a clip, attach a piece of aluminum foil to the lock to be tested. Apply the product along the entire length of the lock. Leave the product on for 40 minutes to 1 hour, then proceed. Wash normally. After the procedure, assess the results. Check if the strands are intact and that there has been no hair loss or breakage. If any issues occur, do not proceed with the process.

Patch Test: Prepare a small amount of product and apply it to the forearm or behind the ear. Wait 40 minutes to 1 hour and rinse. If no irritation occurs within 24 hours, the product can be applied. Repeated applications may cause hair loss or change the hair color.

Precautions:
Use protective gloves and shake before use.
Do not apply if the scalp is irritated or injured.
Avoid contact with the scalp, eyes, mouth, and mucous membranes.
In case of accidental contact, immediately and thoroughly wash the area with running water for five minutes and seek medical help if necessary.
Do not use this product if you are allergic to any of the ingredients.
Not suitable for use on children, pregnant women, and nursing mothers.
Keep out of reach of children and pets.
This product should only be used for its intended purpose and is DANGEROUS for any other use.