Looking for the best shampoo for fine hair that strengthens and adds volume without weighing it down?
The new Olaplex Nº.4FINE Bond Maintenance® Shampoo has been clinically tested to provide a gentle yet powerful action: cleanse, strengthen and add body to fine hair, leaving it visibly healthier and more full of vitality.

Thanks to its formula with low molecular weight hyaluronic acid, volumizing polymers and the patented OLAPLEX Bond Building technology, this shampoo:

• repairs damage,

• protects from aggressive treatments and daily stress,

• and provides long-lasting volume without drying or weighing hair down.

🌿 Free from sulfates, parabens and phthalates. Vegan & cruelty-free.

✅ Main Benefits

• Provides immediate volume and body to fine hair

• Strengthens the hair fiber thanks to the Bond Building technology

• Gently cleanses, removing impurities

• Hydrates without weighing down or greasing

• Leaves hair soft, shiny and elastic

🧪 Clinical results demonstrate effective volumizing and strengthening action, especially when paired with Conditioner Nº.5FINE.

🔬 Key Ingredients

🧴 How to Use

1️⃣ Apply to wet hair.
2️⃣ Massage until a rich lather forms.
3️⃣ Rinse thoroughly.
4️⃣ Follow with Nº.5FINE Bond Maintenance® Conditioner to complete the volumizing treatment.

⚠️ Avoid contact with eyes. If contact occurs, rinse thoroughly.

⭐ Why Choose Olaplex Nº.4FINE?

• Formulated specifically for thin, volume-lacking hair

• Clinically tested, ultra-light formula

• Does not dry out, weigh down or grease

• Protects hair structure from thermal and mechanical damage

• Also great on chemically treated or sensitized hair

📌 Ideal For:

✔️ Fine or thin hair
✔️ Those seeking light, natural volume
✔️ Hair damaged by heat styling, colour or frequent styling
✔️ Professional-level at-home routine with salon performance

🧪 Key INCI (selected)

• Bis-Aminopropyl Diglycol Dimaleate

• Hyaluronic Acid

• Sunflower Seed Extract

• Hydrolyzed Quinoa

• Vitamin E

• Rosemary Extract

• Vegetable Glycerin

✨ Conclusion

The Nº.4FINE Bond Maintenance® Shampoo by Olaplex is the ideal shampoo for those with fine hair seeking a lightweight yet highly effective product: volume, hydration and repair in a single step. Perfect when paired with Conditioner Nº.5FINE for professional results.

💛 Available now at Celebre Store: tested in our salons, chosen by our stylists.