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K18Hair/Social Proof/email teardown

does K18 *actually* work? try it with 10% off

How K18Hair built this send — a social proof email shipped as mixed / modular on Friday at 5pm, carrying a 10% % off offer. Below is Kujola's field-by-field extraction; the original creative is rendered at the end.

From: K18HairflowPreheader: “Yes, and we have the pics to prove it ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ”
Offer
10% off
Voice warmth
0.65
Sent
Fri · 5pm
Format
Mixed / modular
How this send compares
  • 10% off — 12.5 points shallower than the tracked set average of 22.5% (this brand averages 10.0% when it discounts).
  • Voice warmth 0.67 for K18Hair vs 0.70 across the set — a cooler, more clinical register than the average competitor.
01

Message & creative

Message theme
Social Proof
Creative format
Mixed / modular
Secondary: User-generated
Secondary theme
Clinical Results
Hero headline
the proof is in the pictures
Emotional appeal
trust
Calendar moment
Evergreen
Not tied to a seasonal window.
02

Offer

Mechanic
% off
A percentage off the price — the most common kind.
Depth
10% off
Promo phase
Launch
The sale opens and the main offer is shown.
Promo code
[redacted]
Minimum spend
None
Urgency
None
Carries exclusions
03

Voice & tone

Warmth0.65
ClinicalWarm
Formality0.30
CasualFormal
Reader focus0.70
“We”“You”
Expressiveness0.75
RestrainedExuberant

Reading grade 7.0 — the approximate US reading level of the body copy.

04

Call to action

Primary CTA
“Shop Now”
Destination
Collection
Links to a category or a grid of products.
Verb framing
Shop / Buy
Direct buying words — 'Shop now', 'Add to bag'.
CTA count
26
Multi-CTA layout
Primary destination URL
ctrk.klclick.com
No UTM tagging detected
Tracking domain
ctrk.klclick.com
ESP fingerprint · Klaviyo
05

Deliverability posture

SPF
None
DKIM
Pass
DMARC
Pass
Policy: quarantine
One-click unsubscribe
Supported (RFC 8058)
Unsub scheme: https
From alignment
Aligned
Domain: root
Footer hygiene
postal address, privacy link
06

Send timing

Day
Friday
Local hour
5pm
Send type
flow
Flow: welcome
07

Claims & products

Claims extracted
  • “All hair types get science-backed results you can see—and trust.”efficacy · unsubstantiated
  • “Patented K18PEPTIDE™ powers deeper + lasting repair”ingredient · substantiated
  • “Results in one 4-minute use”efficacy · unsubstantiated
  • “My hair was so damaged. After 3 months of K18, I love the health, length, and feel of my hair – Christina L.”social proof · unsubstantiated
  • “This oil is transformative! My hair has NEVER been more manageable and healthy. – Terri B.”social proof · unsubstantiated
  • “Hair like new¹ powered by biotech”efficacy · unsubstantiated
Products featured
  • Leave-In Molecular Repair Hair Maskhero
  • Molecular Repair Hair Oil
  • Mini Leave-In Molecular Repair Hair Mask
  • Mini AirWash™ Dry Shampoo
  • Mini Molecular Repair Hair Oil
  • Mini PEPTIDE PREP™ Detox Shampoo
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08

The creative

The original email as it rendered in the inbox. Shown for reference and sandboxed — it is not part of the indexed analysis above.