Hair Dye L’Oreal Paris Recital Preference 6.21 Opera — Permanent Hair Colour (shade 6.21)

L’Oreal Paris Recital Preference 6.21 Opera is a permanent hair colour formulated to tint natural or previously coloured hair with a cool, nuanced shade. The 6.21 tone delivers a mid‑brown base with ash and violet reflections to neutralise unwanted warmth and create a balanced, multi‑dimensional result. The boxed kit is intended for at‑home or professional application when long‑lasting permanent colour and grey coverage are required.

Advantages

The formulation provides permanent colour with even pigment penetration and a visible tonal effect that reduces brassiness. It is suitable for achieving an ash‑violet nuance on a level 6 base, offers reliable grey coverage when used according to instructions, and is presented in a complete boxed kit for straightforward mixing and application. The product is designed to produce consistent colour results and maintain tonal integrity over multiple washes when proper aftercare is followed.

Suitable for

• Changing natural hair shade to a mid‑brown with cool ash‑violet reflections
• Refreshing or deepening previously coloured hair
• Covering or reducing the appearance of grey hair
• At‑home permanent colouring and touch‑ups

Key specifications

• Shade family: mid‑brown with ash and violet tonal reflections
• Colour permanence: permanent hair dye
• Coverage: formulated for grey coverage when used as directed
• Application format: boxed kit for mixing developer and colourant
• Result character: neutralising of warm tones and multi‑dimensional colour

How to use

Follow the instructions provided in the boxed kit for safe and effective application. Perform a skin sensitivity patch test 48 hours before full application. Prepare the mixture of dye and developer in the proportions indicated by the manufacturer, apply to dry hair starting from the roots or mid‑lengths depending on your needs, and leave on for the recommended processing time. Rinse thoroughly until the water runs clear and apply the provided after‑care treatment or conditioner to help seal the colour and restore hair surface.

Usage recommendations

For best tonal results, apply on hair with an existing level close to level 6; for darker or lighter bases, consider professional advice to adjust processing time or pre‑lightening. Use colour‑protecting shampoos and conditioners to extend longevity and reduce fading. Store the product in a cool, dry place and follow safety guidelines included in the pack.