Quick answer

Use purple shampoo once or twice a week in place of your regular shampoo. Leave it on damp hair for 2–5 minutes, then rinse and follow with conditioner. Overuse can leave hair looking dull or slightly violet, so adjust frequency based on your hair's lightness and brassiness.

Why purple shampoo works for blonde hair

Purple shampoo deposits violet pigments onto the hair shaft to neutralize yellow and orange tones that naturally appear on blonde, silver, or highlighted hair. This is based on basic color theory: purple sits opposite yellow on the color wheel, so it cancels out brassiness without bleaching. The effect is temporary and washes out gradually, making it a low-commitment way to maintain brightness between salon visits.

Choosing the right purple shampoo and conditioner

Not all purple shampoos are the same. Some are deeply pigmented for very light or platinum hair, while others are milder for darker blondes or first-time users. A matching conditioner helps extend the toning effect and adds moisture, since purple shampoos can be slightly drying. The PURA D'OR ColorHarmony Purple Shampoo and Conditioner Set includes both in 16 oz bottles, giving you a coordinated two-step routine that simplifies your hair care lineup.

Step-by-step guide to using purple shampoo

  1. Wet your hair thoroughly: Start with fully saturated hair in the shower. Warm water opens the cuticle slightly, allowing the purple pigments to absorb more evenly. If your hair is dry in spots, those areas may grab more color and look uneven. Skip: applying purple shampoo to dry hair. It can cause patchy toning.
  2. Apply purple shampoo from roots to ends: Squeeze a quarter-sized amount into your palm and distribute it evenly through your hair. Focus on the mid-lengths and ends, where brassiness tends to show most. Massage gently for about 30 seconds to create a light lather. Checkpoint: If your roots are naturally dark, keep most of the shampoo on the lighter lengths to avoid staining your regrowth.
  3. Let it sit for 2–5 minutes: Leave the shampoo on your hair without rinsing. For very light or platinum hair, start with 2 minutes. For darker blondes or stubborn brass, work up to 5 minutes. Do not exceed 5 minutes in one session. Common mistake: leaving it on too long. This can deposit a violet tint that is hard to remove without a clarifying wash.
  4. Rinse thoroughly and apply conditioner: Rinse with cool to lukewarm water until the water runs clear. Follow with a purple conditioner or your regular moisturizing conditioner, leaving it on for 2–3 minutes before rinsing. This step restores hydration and locks in the tone. Checkpoint: If your hair feels straw-like after rinsing, you left the shampoo on too long or used it too often. Scale back next time.
  5. Adjust frequency based on your results: Start with once a week and assess the tone after three washes. If brassiness returns quickly, increase to twice a week. If you notice a dull or ashy cast, reduce to every other week. The goal is neutral brightness, not a purple tint. Verdict: Consistent but moderate use keeps blonde hair fresh without over-toning.

Product facts

  • ColorHarmony Purple Shampoo and Conditioner Set 16 oz: PURA D'OR ColorHarmony Purple Shampoo and Conditioner Set comes as a two-piece set in 16 oz sizes, pairing a purple shampoo with a matching conditioner for your hair care routine. Using a matching conditioner after a purple shampoo helps seal the toning effect and replenishes moisture, preventing the dry or brittle feel that can come from overusing toning shampoos.