Head to head
Don't Despair, Repair! Deep Conditioning Mask vs Leave-In Molecular Repair Hair Mask
K18 Leave-In Molecular Repair Hair Mask edges out Briogeo Don't Despair, Repair! Deep Conditioning Mask, 7.8 to 7.7. It wins on results, formula and community love, while the Don't Despair, Repair! Deep Conditioning Mask is stronger on texture and feel and value.
Benefit fingerprints
What each one does.
Briogeo Don't Despair, Repair! Deep Conditioning Mask
K18 Leave-In Molecular Repair Hair Mask
Side by side
Every detail, compared.
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K18
Leave-In Molecular Repair Hair Mask
Highest score- Damage repair
- Dryness relief
- Frizz control
- Shine
- Damage repair
- Split ends
- Smoothing
- Frizz control
- • Dry, over-processed or color-treated hair
- • Curly and coily hair that needs a weekly protein-moisture balance
- • Bleached, highlighted or chemically processed hair
- • Heat-damaged hair that breaks easily
- • Anyone who wants a fast, no-rinse repair step
- Combines hydrolyzed proteins and moisturizing oils for dry, damaged hair
- Brand cites reduced breakage in 10 minutes and up to 2x stronger hair after three uses
- Silicone-free, vegan and Leaping Bunny certified
- Quick routine: four minutes on towel-dried hair, no rinsing
- Patented K18PEPTIDE targets bleach, color, chemical and heat damage, per the brand
- Many bleached and chemically treated hair reviewers report noticeably stronger, softer hair
- Contains several hydrolyzed proteins, which protein-sensitive hair may not tolerate
- Requires at least 10 minutes on the hair
- $75 for 50 ml is expensive
- Must go on unconditioned hair, which changes most wash-day routines
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Affiliate links — we may earn a commission. How we make money
FAQ
Quick answers.
Which is better, Don't Despair, Repair! Deep Conditioning Mask or Leave-In Molecular Repair Hair Mask?
K18 Leave-In Molecular Repair Hair Mask edges out Briogeo Don't Despair, Repair! Deep Conditioning Mask, 7.8 to 7.7. It wins on results, formula and community love, while the Don't Despair, Repair! Deep Conditioning Mask is stronger on texture and feel and value.
Which is better value?
Briogeo Don't Despair, Repair! Deep Conditioning Mask works out to about $4.89 / oz and K18 Leave-In Molecular Repair Hair Mask to about $44.36 / oz, based on typical non-Amazon retail prices when we last checked.
How do you score them?
Both are scored on the same five-factor rubric (results, formula & ingredients, texture & experience, value, community love), using the formula or specs, verified creator reviews, community consensus and value. Brands can’t pay for placement.