The L'Oréal Casting Crème Gloss 323 Darkest Warm Brown is a popular semi-permanent hair colour designed to give your hair a glossy, natural-looking shade.

Here are the key details about this hair colour:

Shade Name: 323 Darkest Warm Brown (sometimes referred to as "Dark Chocolate" in some regions).

Product Line: L'Oréal Paris Casting Crème Gloss.

Colour Type: Semi-permanent, a tone-on-tone colour.

Ammonia-Free: It features a no-ammonia cream formula, making the colouring experience more pleasant and gentle on the hair.

Duration: The colour is designed to last up to 28 shampoos, gradually washing out. This makes it ideal for first-time colourers, those who want to enhance their natural shade, or people who prefer less commitment than permanent dye.

Grey Coverage: It provides optical coverage and blends away the first signs of grey hair (up to 70% grey coverage is often cited).

Finish: It delivers rich, natural-looking colour with visible shimmering tones and an exceptional, glossy shine.