Description: Net content: 300g Shelf life: three years Efficacy: Designed to counteract brassy yellow tones caused by various factors, anti - yellowing shampoos not only neutralize unwanted color, but also protect hair, nourish damaged strands, and maintain the optimal pH balance of both hair and scalp for a healthier, more vibrant look. Suitable for people: All Advantages: 1. Designed for people who dye their hair, the unique purple formula effectively neutralizes the yellow tone, making the hair color more vivid and lasting. 2. Rich in nourishing ingredients, it deeply repairs damaged hair, improves dry and split ends, and restores the smoothness and luster of hair. 3. The gentle formula maintains the acid-base balance of the scalp, reduces irritation, and is suitable for long-term use to care for sensitive scalps. 4. The color-locking technology helps prolong the effect of hair dyeing, reduce fading troubles, and maintain bright colors after each washing and care. 5. Suitable for all hair types, especially hair that needs special care after bleaching and dyeing, to rejuvenate health. How to use: 1.Initial Rinse:Wet your hair thoroughly with lukewarm water before applying the anti - yellowing shampoo. This helps open up the hair cuticles, allowing the product to penetrate more effectively. 2.Application and Massage:Apply an appropriate amount of the shampoo evenly onto your hair, focusing on areas prone to yellowing. Gently massage it into your scalp and hair for 3 - 5 minutes to ensure full contact and activation of the formula. 3.Final Rinse:Rinse your hair thoroughly with clean water until the water runs clear. Make sure to remove all traces of the shampoo to avoid residue that could affect the hair's texture or color. Package included: Color-locking purple shampoo 300ml*1pcs