To preserve your highlights: * **Switch to sulfate-free formulas:** Look for shampoos and conditioners explicitly labeled "color-safe" and "sulfate-free." These products clean the hair gently without opening the cuticle excessively. * **Wash less frequently:** Every time you wash your hair, a small amount of pigment washes down the drain. Limit washing to two or three times a week. On off-days, use a lightweight dry shampoo to absorb excess oil at the roots. * **Turn down the water temperature:** Hot water opens the hair cuticle, allowing color molecules to escape. Wash and rinse your hair with lukewarm or cool water to keep the cuticle sealed and lock in the dye. ## Balance Toning Products Carefully Maintaining a mix of red and blonde highlights on a brown base is uniquely challenging because red and blonde tones require opposite maintenance strategies. Blonde highlights often need purple or blue toning shampoos to neutralize yellow and orange brassiness. However, these cool-toned pigments can dull the warmth of your red highlights. To balance these competing needs, avoid using toning shampoos for every wash. Instead, use a gentle, moisture-rich shampoo for color-treated hair as your primary cleanser. Once every two weeks, apply a purple shampoo specifically to the blonde sections of your hair to keep them bright. Alternatively, ask your stylist for a clear gloss or a multi-tonal color-depositing conditioner that hydrates the hair without altering the distinct tones.

## Protect Hair from Heat and Sun Damage Heat exposure is one of the fastest ways to fade red hair dye and oxidize blonde highlights, leaving them looking dry and brassy. * **Minimize hot tools:** Reduce your use of blow dryers, flat irons, and curling wands. When you do use them, keep the temperature setting on low or medium. * **Apply heat protectant:** Never style your hair with heat without first applying a high-quality heat protectant spray or cream. This creates a barrier that minimizes moisture loss and color degradation. * **Shield hair from the sun:** Ultraviolet (UV) rays act like natural bleach on hair color. If you plan to spend extended time outdoors, wear a hat or apply a leave-in conditioner that contains UV filters to shield your highlights from sun damage. ## Keep Hair Hydrated and Strong

Highlighted hair undergoes chemical processing, which raises the porosity of the hair shaft. High-porosity hair struggles to retain moisture and color molecules. Keeping your hair hydrated is essential for preventing color fade. Incorporate a deep conditioning mask or a protein treatment into your routine once a week. Look for ingredients like keratin, argan oil, and avocado oil, which help repair the hair barrier, smooth the cuticle, and enhance the overall shine of your brown, red, and blonde tones. ## Schedule Regular Salon Glazes and Trims Even with diligent at-home care, professional maintenance is necessary to keep multi-tonal hair looking fresh.

Consider booking a gloss or toner appointment at your salon every four to six weeks. A professional gloss does not require a full highlight service; instead, it deposits a sheer layer of color and shine that refreshes the red and blonde tones while smoothing the brown base. Additionally, schedule a trim every six to eight weeks to remove split ends, which can make highlights look frayed and dull. ### How often should I wash brown hair with red and blonde highlights? Aim to wash your hair two to three times a week. Washing your hair daily accelerates color fading, particularly for the red highlights, which have larger color molecules that wash out more easily than other shades. ### Can I use purple shampoo on red highlights? You can use purple shampoo, but you should apply it sparingly and target only the blonde sections. Because purple shampoo is designed to neutralize warm yellow tones, applying it all over can dull the vibrancy of your red highlights. ### Why do red highlights fade faster than blonde highlights? Red hair dye molecules are larger than other color molecules. Because of their size, they do not penetrate as deeply into the hair shaft and escape more easily during washing, heat styling, and sun exposure. Blonde highlights, on the other hand, are created by removing pigment, meaning they do not fade but can oxidize and turn brassy over time.