Is RR-04 a bright red or a dark red?

It is an intense dark red, closer to a deep auburn or burgundy than a bright copper. Expect a rich, saturated tone rather than a vivid fire-engine red.

How long does the color last?

L'Oréal says up to 9 weeks of fade-defying color. In practice, reds tend to fade sooner, so expect visible softening within 4 to 6 weeks.

How long does it take to apply?

The color processes in about 10 minutes after application. Add time for mixing and sectioning, so plan on roughly 30 to 45 minutes total.

Will one box cover long hair?

One 6 fl oz box suits short to shoulder-length hair. For hair past the shoulders or very thick hair, buy two boxes to avoid patchy coverage.

Does it cover gray hair?

Yes, it is a full-coverage permanent color and covers gray. Gray resistant to reds may need the full processing time for even results.

Drugstore and mass-retail boxes like this one go on sale most often during seasonal beauty events and store promotions. Compare prices across stores before buying.

L'Oreal Paris Superior Preference Intense Dark Red RR-04

Last price we saw

$14.79at Amazon, last seen Nov 2

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Our take on the L'Oreal Paris Superior Preference Intense Dark Red RR-04

Superior Preference Intense Dark Red RR-04 is a permanent cream hair color kit from L'Oréal Paris in a deep, saturated red shade. It is a full-coverage, one-box dye aimed at all hair types, with a 10-minute processing time and color the brand says resists fading for up to 9 weeks. The kit includes 6 fl oz of product, and the mixed color should be used soon after opening; the box itself keeps for 12 months after opening.

Best forShoppers wanting a bold, dark red permanent colorCovering gray or darkening natural hair in one boxPeople who prefer a quick 10-minute developer time