L'Oréal Professionnel Vitamino Color Spectrum Glass Shine Serum - 50ml

Start with a small amount (about the size of a dime) and add more if needed, depending on the length and thickness of your hair.

While it's designed for use on damp hair, you can use a small amount on dry hair to tame frizz and add shine, but the effect may be less pronounced.

Use the serum after every wash, or as needed to maintain shine and manageability.

Yes, the serum provides thermoprotection, shielding your hair from heat styling tools.

It might, depending on the amount you use. Start with a small amount and see how your hair responds. Apply from the mid-lengths to the ends, avoiding the roots.

Yes, the serum is designed for all types of colored hair.

The effects of the serum, including shine and frizz control, can last up to 72 hours.

The serum is enriched with 5% Alpha-silane, an active care ingredient that creates a protective layer on the surface of hair fiber when it is activated by heat.

Use less product and ensure even distribution, avoiding the roots. You may be using too much serum.

Ensure hair is clean before application. Consider using a clarifying shampoo before use if there is product buildup.