Krastase Resistance Shampoo Strengthening and Fortifying Refill Pouch - 500ml

Erosion levels 1-2 refer to moderately damaged hair. Level 1 usually indicates light damage to the hair's surface, while Level 2 suggests deeper damage to the hair's internal structure, but not yet severely compromised.

Yes, this shampoo is specifically formulated for daily use to provide continuous reconstruction and strengthening for damaged hair.

While it targets damaged hair, it is generally safe for color-treated hair. However, for specific color protection, you might consider alternating with a shampoo designed for color care or using a color-safe conditioner.

A coin-sized amount is usually sufficient for most hair lengths. Adjust based on your hair density and length, ensuring an even lather across your scalp and hair.

This shampoo is designed to strengthen existing hair and prevent breakage, which can reduce the appearance of thinning due to snapping. However, it is not specifically formulated as a hair loss treatment for issues like androgenetic alopecia. For hair loss concerns, consult a dermatologist.

Yes, for optimal results, it is recommended to follow with a conditioner or hair mask from the Kérastase Resistance range. This will help to further detangle, nourish, and protect your hair, sealing in the benefits of the shampoo.

Ensure you are rinsing your hair thoroughly. Sometimes, insufficient rinsing can leave shampoo residue, making hair feel heavy. Try rinsing for an extra minute, especially at the scalp. You might also be using too much product; try reducing the amount.

Hair repair is a gradual process. Consistent daily use of the shampoo over several weeks is necessary to observe noticeable improvements in hair strength and texture. Ensure you're also following with a suitable conditioner or treatment from the Resistance range.

While generally gentle, if you experience irritation, discontinue use and consult a healthcare professional. Ensure you are not allergic to any ingredients. Also, confirm you're not scrubbing your scalp too aggressively during application.