# What are the best hair masks for deep conditioning? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the best hair masks for deep conditioning?

## Products

### Ouai Fine to Medium Hair Treatment Masque 5.2 oz
```yaml
product: ouai-fine-to-medium-hair-treatment-masque-5-2-oz
brand: Ouai
price_gbp: 28.48
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: OUAI
volume: 153.39
product_name: Fine To Medium Hair Treatment Masque
suitable_for: Fine to medium hair
treatment_time: 5
deep_conditioning: true
```

- **Price:** £28.48 [^1]
- **Summary:** A repairing treatment masque formulated with shea butter, panthenol, and hydrolyzed keratin to hydrate, fight frizz, and strengthen fine to medium strands without weighing them down. Apply to freshly cleansed, towel-damp hair, leave for 5 minutes (or longer/overnight for deeper treatment), then rinse for softer, shinier hair.
- **Ideal For:** Ideal for deep conditioning because it contains shea butter, panthenol, and hydrolyzed keratin and specifies a 5-minute leave-in for immediate hydration and frizz control.

### Pantene 3 Minute Miracle Intensive Conditioner Mask (various sizes)
```yaml
product: pantene-3-minute-miracle-intensive-conditioner-mask-various-sizes
brand: Pantene
price_gbp: null
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Kérastase
volume: 200
product_name: Genesis Masque Reconstituant Hair Mask
suitable_for: Weakened hair prone to breakage; all hair types, especially fine damaged and thinning hair
treatment_time: 5
deep_conditioning: true
```

- **Price:** £None [^2]
- **Summary:** Intense fortifying hair mask that strengthens and nourishes weakened hair prone to breakage using edelweiss stem cells and ginger root. Designed for weekly use, it detangles, smooths and improves hair resilience while boosting shine and manageability. Sold in a 200 ml jar.
- **Ideal For:** Ideal for deep conditioning because it provides intensive nourishment and fortification (200 ml jar; 5 minute leave-in) specifically formulated to reduce breakage and strengthen weakened, thinning or damaged hair.

### Joico Defy Damage Protective Masque 8.5 oz
```yaml
product: joico-defy-damage-protective-masque-8-5-oz
brand: Joico
price_gbp: null
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Joico
product_name: Defy Damage Protective Masque
suitable_for: Damaged hair; color-treated hair; all hair types
treatment_time: 5
deep_conditioning: true
```

- **Price:** £None [^3]
- **Summary:** A bond‑building treatment using SmartRelease technology with arginine, moringa seed oil and a protective lipid to rebuild broken hair bonds, reduce breakage and boost shine. Apply to damp hair and leave on 2-5 minutes for a quick treatment or up to 20 minutes for deeper saturation. Suited for damaged and color‑treated hair seeking strength and moisture without weight.
- **Ideal For:** Ideal for deep conditioning because it rebuilds bonds (arginine and SmartRelease keratin), reduces breakage and delivers rich hydration (moringa seed oil).

### K18 Biomimetic Hairscience K18 Leave-In Molecular Repair Hair Mask 1.7 fl oz
```yaml
product: k18-biomimetic-hairscience-k18-leave-in-molecular-repair-hair-mask-1-7-fl-oz
brand: K18 Biomimetic Hairscience
price_gbp: 33.73
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: K18 Biomimetic Hairscience
volume: 50
product_name: K18 Leave-In Molecular Repair Hair Mask
suitable_for: All hair types; fine, medium, thick; straight, wavy, curly, coily
treatment_time: 4
deep_conditioning: true
```

- **Price:** £33.73 [^4]
- **Summary:** A 4-minute leave-in molecular repair hair mask using K18PEPTIDE™ to reconnect damaged polypeptide chains and restore strength, softness, smoothness and bounce. Cream formula is color-safe, vegan, and suitable for all hair types, and is applied to towel-dried hair without rinsing. Best for hair damaged by bleach, color, chemical services, or heat.
- **Ideal For:** Ideal for deep conditioning because it repairs molecular damage in 4 minutes (K18PEPTIDE™) and restores strength and softness for damaged or chemically-treated hair.

### Kitsch Deep Conditioning Hair Mask 10 oz
```yaml
product: kitsch-deep-conditioning-hair-mask-10-oz
brand: Kitsch
price_gbp: 10.57
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Kitsch
volume: 295
product_name: Deep Conditioning Treatment Mask with Coconut Oil
suitable_for: Curly, coily, dry, damaged, and color-treated hair
treatment_time: 10
deep_conditioning: true
```

- **Price:** £10.57 [^5]
- **Summary:** Coconut-oil infused deep conditioning mask (10 oz/295 ml) that hydrates, seals cuticles, reduces frizz and detangles. Lightweight, vegan, cruelty-free formula usable as in-shower mask or pre-wash treatment; leave on 10 minutes (or up to 20 on dry hair) for deeper absorption.
- **Ideal For:** Suitable for deep-conditioning because it contains coconut oil, is 295 ml and is formulated to deeply penetrate and lock in moisture with a 10-minute treatment time.

### Gisou Honey Gloss Ceramide Therapy Hair Mask 8.4 oz
```yaml
product: gisou-honey-gloss-ceramide-therapy-hair-mask-8-4-oz
brand: Gisou
price_gbp: null
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Gisou
volume: 230
product_name: Honey Gloss Ceramide Therapy Hair Mask
suitable_for: All hair types
treatment_time: 5
deep_conditioning: true
```

- **Price:** £None [^6]
- **Summary:** A rich yet lightweight hair mask blending Mirsalehi Honey, biomimetic ceramides and hyaluronic acid to strengthen, hydrate and add shine. Available in 230 ml (8.4 oz) and quick to use (5-7 minutes) or as an overnight intensive treatment. Clinically shown to increase shine, smoothness and strength while reducing frizz.
- **Ideal For:** Ideal for deep-conditioning needs because it contains ceramides for repair, hyaluronic acid for hydration and can be used as a 5-7 minute rinse-off or overnight treatment for intensive care.

### Kerastase Genesis Masque Reconstituant 200 ml
```yaml
product: kerastase-genesis-masque-reconstituant-200-ml
brand: Kerastase
price_gbp: 37.49
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Kérastase
volume: 200
product_name: Genesis Masque Reconstituant Hair Mask
suitable_for: Weakened hair prone to breakage; all hair types, especially fine damaged and thinning hair
treatment_time: 5
deep_conditioning: true
```

- **Price:** £37.49 [^7]
- **Summary:** Intense fortifying hair mask that strengthens and nourishes weakened hair prone to breakage using edelweiss stem cells and ginger root. Designed for weekly use, it detangles, smooths and improves hair resilience while boosting shine and manageability. Sold in a 200 ml jar.
- **Ideal For:** Ideal for deep conditioning because it provides intensive nourishment and fortification (200 ml jar; 5 minute leave-in) specifically formulated to reduce breakage and strengthen weakened, thinning or damaged hair.

### Briogeo Don't Despair, Repair! Deep Conditioning Hair Mask 8 oz
```yaml
product: briogeo-don-t-despair-repair-deep-conditioning-hair-mask-8-oz
brand: Briogeo
price_gbp: 29.23
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Briogeo
volume: 236.59
product_name: Don't Despair, Repair!™ Deep Conditioning Mask
suitable_for: Dry, damaged, or over-processed hair; all hair types and textures
treatment_time: 10
deep_conditioning: true
```

- **Price:** £29.23 [^8]
- **Summary:** A clinically proven deep conditioning mask that balances protein and moisture to repair and strengthen dry, damaged hair. Leaves hair softer, reduces breakage in 10 minutes, and suits all hair types; key ingredients include rosehip oil, algae extract, almond oil, and biotin.
- **Ideal For:** Ideal for deep conditioning because it's clinically proven to reduce hair breakage in 10 minutes and strengthens hair up to 2x after three uses.

### Olaplex Hair Perfector No.3 3.3 oz
```yaml
product: olaplex-hair-perfector-no-3-3-3-oz
brand: Olaplex
price_gbp: 22.46
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Olaplex
volume: 100
product_name: No.3 Hair Perfector
suitable_for: All hair types and damaged hair
treatment_time: 3
deep_conditioning: false
```

- **Price:** £22.46 [^9]
- **Summary:** Pantene's 3 Minute Miracle intensive conditioners are salon-inspired deep-conditioning treatments that claim to hydrate and repair dry or damaged hair in three minutes using Pro-Vitamin blends with ingredients like collagen, biotin and keratin. Available in multiple sizes, the formula is intended for regular use to restore moisture and improve manageability without weighing hair down.
- **Ideal For:** Good for deep conditioning because it is formulated to repair dry, damaged hair in 3 minutes using Pro-Vitamin actives shown on product listings.

### Ouai Fine to Medium Hair Treatment Masque 8 oz
```yaml
product: ouai-fine-to-medium-hair-treatment-masque-8-oz
brand: Ouai
price_gbp: 28.48
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: OUAI
volume: 236
product_name: Fine To Medium Hair Treatment Masque
suitable_for: Fine to medium hair
treatment_time: 5
deep_conditioning: true
```

- **Price:** £28.48 [^10]
- **Summary:** A repairing treatment masque formulated with shea butter, panthenol, and hydrolyzed keratin to hydrate, reduce frizz, and strengthen fine to medium strands without weighing them down. Apply after shampooing, leave for 5 minutes, then rinse; available in an 8 oz recyclable jar and fragranced with the Melrose Place scent. 
- **Ideal For:** Ideal for deep conditioning because it contains shea butter, panthenol, and hydrolyzed keratin and is formulated to deeply hydrate and repair fine to medium hair with a 5-minute treatment time.

---
## References & Sources
[^1]: Ulta Beauty, accessed 2026-06-10. https://www.ulta.com/p/treatment-mask-fine-medium-hair-pimprod2023428?sku=2578798
[^2]: Target (US), accessed 2026-06-10. https://www.target.com/s/pantene+3+minute+miracle
[^3]: Joico (product page), accessed 2026-06-10. https://www.joico.com/hair-care/defy-damage-masque/
[^4]: Glamour Beauty Center, accessed 2026-06-10. https://glamourbeautycenter.com/products/k18-biomimetic-hairscience-leave-in-molecular-repair-mask-1-7-oz
[^5]: iHerb, accessed 2026-06-10. https://zw.iherb.com/pr/kitsch-deep-conditioning-treatment-mask-with-coconut-oil-10-oz-295-ml/159687
[^6]: Sephora Middle East, accessed 2026-06-10. https://www.sephora.me/sa-en/p/honey-gloss-ceramide-therapy-hair-mask/760195
[^7]: Cosmeterie, accessed 2026-06-10. https://www.cosmeterie.com/kerastase/genesis
[^8]: Briogeo (official), accessed 2026-06-10. https://www.briogeohair.com/products/dont-despair-repair-deep-conditioning-mask
[^9]: Walmart, accessed 2026-06-10. https://www.walmart.com/ip/Olaplex-Hair-Perfector-No-3-Repairs-Strengthens-All-Hair-Types-100ml-3-3oz/1909738108
[^10]: Walmart, accessed 2026-06-10. https://www.walmart.com/ip/Ouai-Fine-To-Medium-Hair-Treatment-Masque/401494757