2026-02-28 · 10 min read

Proven Test Kits email designs you can use

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After analyzing 75 Test Kits emails, three patterns show up again and again: trust-first proof, step-by-step guidance, and crystal-clear next actions. Browse real campaigns for at-home health tests, DNA kits, COVID/flu tests, fertility and ovulation kits, and water/food sensitivity testing, plus how brands handle instructions, timing, and results-related messaging. Use the gallery to benchmark your subject lines, visual hierarchy, and CTA flow from “choose a kit” to “get results.”

1. Stix: PSA: The morning-after pill is still legal

1. Stix: PSA: The morning-after pill is still legal
1. Stix: PSA: The morning-after pill is still legal
Subject: PSA: The morning-after pill is still legal
Objective

This email aims to correct widespread misinformation by clarifying that the morning-after pill remains legal across all 50 states, while encouraging recipients to join Stix’s awareness campaign through education and social sharing. It positions the brand as a trusted, proactive voice in reproductive health advocacy.

Why this works

Stix brilliantly leverages real-world activism, like campus billboards, to build credibility and urgency, turning a public health message into a movement that invites the reader to become part of the solution rather than just a passive recipient of information.

How to implement

By directly addressing the 50% statistic of women who wrongly believe the pill is illegal, the email taps into emotional relevance and cognitive dissonance, making the educational content feel personally necessary rather than optional or abstract.

Pro Tip

Add a countdown timer or progress bar near the CTA to create urgency around joining the campaign, since the current design lacks temporal motivation despite referencing active billboards and evolving laws. • Include a short testimonial or quote from a student or campus organizer who saw the billboard, to humanize the campaign and strengthen social proof, currently, the message feels authoritative but lacks personal narrative.

Colors:
#F5F5F5
#F0E68C
#9370DB

2. Stix: Is breastfeeding a form of birth control?

2. Stix: Is breastfeeding a form of birth control?
2. Stix: Is breastfeeding a form of birth control?
Subject: Is breastfeeding a form of birth control?
Objective

This email aims to educate new mothers on the relationship between breastfeeding and fertility, specifically addressing whether breastfeeding can act as a natural form of birth control, while positioning Stix as a trusted source for postpartum health guidance.

Why this works

The email opens with a deeply personal, empathetic question that mirrors real postpartum concerns, instantly creating emotional resonance and signaling to the reader that their confusion is both valid and shared by others.

How to implement

By framing breastfeeding as a potential natural birth control method with clear qualifying conditions, the email transforms a complex medical topic into digestible, actionable advice without oversimplifying or alarming the reader.

Pro Tip

Add a brief testimonial or user quote near the top to reinforce trust, e.g., 'Over 10,000 moms have used our guidance to understand their postpartum cycle,' which would validate the content’s relevance and authority. • Include a subtle visual cue or icon next to the 'Read More' CTA, like a small arrow or progress bar, to imply continuation and reduce friction for users deciding whether to click deeper into the content.

Colors:
#6C4AB6
#FFFFFF
#F5E6E8

3. Stix: Yeast infections vs. bacterial vaginosis

3. Stix: Yeast infections vs. bacterial vaginosis
3. Stix: Yeast infections vs. bacterial vaginosis
Subject: Yeast infections vs. bacterial vaginosis
Objective

This email aims to educate readers on the differences between bacterial vaginosis and yeast infections, empowering them to identify symptoms accurately and seek appropriate care, while subtly positioning Stix as a trusted, judgment-free resource for intimate health.

Why this works

The email brilliantly uses a relatable, non-clinical visual metaphor, a peach, to disarm anxiety around a sensitive health topic, making complex medical information feel approachable and less intimidating for the reader.

How to implement

By clearly segmenting symptoms into 'Yeast Infection,' 'Both,' and 'Bacterial Vaginosis' columns, the email transforms overwhelming medical jargon into an easy-to-scan comparison chart that empowers users to self-assess with confidence.

Pro Tip

Add a subtle countdown timer or urgency cue near the 'Learn More' CTA to encourage immediate engagement, especially since the topic is time-sensitive and users may delay seeking help without a nudge. • Include a short testimonial or user quote after the symptom chart to humanize the content and reinforce credibility, for example, 'I finally understood my symptoms after reading this guide', to bridge education with emotional resonance.

Colors:
#FFE0E0
#FF6B8B
#6E5DC6

4. Stix: Happy birthday to us! 🎉

4. Stix: Happy birthday to us! 🎉
4. Stix: Happy birthday to us! 🎉
Subject: Happy birthday to us! 🎉
Objective

This email celebrates Stix’s three-year anniversary by sharing the founders’ personal origin story to build emotional connection and reinforce brand trust, while subtly reminding subscribers they’re part of a growing community that values thoughtful, confidence-building health tools.

Why this works

The founders’ raw, personal storytelling, like recalling takeout sushi in a studio apartment, transforms a corporate milestone into a relatable human journey, making subscribers feel like they’re celebrating alongside friends who’ve earned their trust through grit and vulnerability.

How to implement

By framing early struggles, 200+ investor rejections, as emotional turning points rather than setbacks, the email turns pain into pride, positioning the brand as resilient and authentic, which deepens customer loyalty far more effectively than generic product praise ever could.

Pro Tip

Add a clear, benefit-driven CTA button above the fold, such as ‘Shop Our Anniversary Favorites’ or ‘See What’s New’, to convert emotional resonance into immediate action, since the current ‘click here’ link is buried and lacks urgency or value proposition. • Include a visual timeline or milestone graphic showing key brand moments (first customer, 10K users, product launch) to break up text-heavy storytelling and reinforce growth credibility, making the ‘100,000+ of you’ claim more tangible and visually engaging.

Colors:
#FFFFFF
#000000
#FF6B6B

5. Stix: 🚨 Up to 40% off ends TODAY 🚨

5. Stix: 🚨 Up to 40% off ends TODAY 🚨
5. Stix: 🚨 Up to 40% off ends TODAY 🚨
Subject: 🚨 Up to 40% off ends TODAY 🚨
Objective

This email aims to drive immediate purchases by creating urgency around a limited-time sale ending today, while showcasing top-selling products with social proof to build trust and reduce hesitation among potential buyers.

Why this works

The email leverages time-sensitive urgency with 'FINAL HOURS' and 'ends TODAY' in bold, colorful typography to trigger immediate action without feeling spammy, making the discount feel exclusive and fleeting.

How to implement

Each product is paired with a real customer testimonial that speaks to a specific personal benefit, like avoiding doctor visits or managing hormonal side effects, making the value proposition emotionally resonant and highly relatable to the target audience.

Pro Tip

Add a visible countdown timer near the 'Save Now' CTA to reinforce urgency visually and psychologically, as the current text-only 'ends TODAY' may not create enough friction to overcome procrastination. • Include a small icon or badge next to each product indicating the discount percentage (e.g., '35% OFF') to make savings more tangible and comparable, since the headline says 'up to 40%' but individual product savings aren’t shown.

Colors:
#FF6B35
#FFD700
#2E3A59

6. Stix: 🎉 Giveaway Inside 🎉

6. Stix: 🎉 Giveaway Inside 🎉
6. Stix: 🎉 Giveaway Inside 🎉
Subject: 🎉 Giveaway Inside 🎉
Objective

This email aims to educate subscribers on post-sex hygiene while promoting a collaborative giveaway with Awkward Essentials to drive engagement and product awareness. It blends health education with a compelling incentive to encourage participation and brand loyalty.

Why this works

The email smartly pairs educational content with a giveaway, turning a potentially awkward topic into an engaging, shareable experience that builds trust while driving conversions through value-driven storytelling.

How to implement

By co-branding with Awkward Essentials, the campaign leverages complementary audiences and credibility, creating a win-win partnership that feels authentic rather than forced, which boosts perceived value and participation rates.

Pro Tip

Add a countdown timer above the 'Enter to win' CTA to create urgency and increase conversion rates, especially since giveaways thrive on time-sensitive participation. • Include a brief testimonial or user quote near the giveaway section to build social proof and reassure readers that the products are trusted and effective, reducing hesitation to enter.

Colors:
#B2E8D8
#6C4F9A
#FFFFFF

7. Stix: 🚨 GIVEAWAY ALERT 🚨

7. Stix: 🚨 GIVEAWAY ALERT 🚨
7. Stix: 🚨 GIVEAWAY ALERT 🚨
Subject: 🚨 GIVEAWAY ALERT 🚨
Objective

This email aims to drive immediate participation in a $200 sexual wellness giveaway by leveraging brand partnerships and urgency, while subtly promoting Stix’s own products and mission around sexual health education.

Why this works

The email brilliantly frames the giveaway as a collaborative celebration of Sexual Wellness Month, which elevates the campaign beyond a simple contest into a mission-driven community event that aligns with audience values.

How to implement

By visually showcasing partner products alongside Stix’s own UTI kit, the email subtly positions the brand as a trusted curator within the sexual wellness space, enhancing credibility without overt self-promotion.

Pro Tip

Add a countdown timer near the CTA to amplify urgency, since the giveaway end date is mentioned but not visually emphasized, this would increase conversion by leveraging time-sensitive psychology. • Include a short testimonial or user quote near the product grid to build social proof around the giveaway’s value, especially since the prize includes third-party products that may be unfamiliar to some subscribers.

Colors:
#E6E0F5
#9B7CDB
#FFFFFF

8. Stix: Get 20% off for a limited time 🎉

8. Stix: Get 20% off for a limited time 🎉
8. Stix: Get 20% off for a limited time 🎉
Subject: Get 20% off for a limited time 🎉
Objective

This email aims to drive immediate sales during Amazon Prime Day by offering a time-sensitive 20% discount across Stix’s product line, encouraging customers to stock up on health essentials while reinforcing brand trust through product education and social proof.

Why this works

The email leverages Amazon Prime Day’s urgency to create a compelling reason to buy now, framing the discount as a limited-time opportunity to stock up on essentials, a smart psychological trigger that aligns with seasonal shopping behavior.

How to implement

Each product is presented with a clear benefit-driven headline and a concise value proposition, making it easy for readers to understand why they need it, turning a simple grid into a persuasive, educational sales tool without overwhelming the user.

Pro Tip

Add a countdown timer beneath the hero CTA to visually reinforce urgency and encourage immediate action, since the Prime Day context already implies time sensitivity but doesn’t explicitly pressure the reader to act now. • Include a short testimonial or user rating next to each product in the grid to build social proof, especially important for health products where trust and validation significantly influence purchase decisions.

Colors:
#A2D6E8
#7A5BCA
#FFFFFF

9. Stix: Our very first article 📖

9. Stix: Our very first article 📖
9. Stix: Our very first article 📖
Subject: Our very first article 📖
Objective

To celebrate Stix’s first educational article and invite readers to explore their growing library of medically accurate, judgment-free health content. The email positions Stix as a trusted, approachable resource for sensitive health topics.

Why this works

Stix brilliantly frames its content as a solution to a real emotional gap, the lack of judgment-free, medically accurate health resources, making readers feel seen and understood from the very first sentence.

How to implement

By anchoring the campaign in a nostalgic milestone, their first article from 2019, Stix creates emotional resonance and positions their educational hub as a trusted, evolving companion rather than a static resource.

Pro Tip

Add a subtle visual hierarchy to the CTA buttons, perhaps a slight hover animation or color intensity shift, to increase perceived interactivity and guide the eye more effectively toward clicking. • Include a short teaser sentence under each article headline to hint at the value inside (e.g., 'Learn how to discreetly test at home without stress'), reducing ambiguity and boosting click-through intent.

Colors:
#FFF5EE
#FFB6B6
#9E7CE3

10. Stix: Celebrate Women's History Month 💜

10. Stix: Celebrate Women's History Month 💜
10. Stix: Celebrate Women's History Month 💜
Subject: Celebrate Women's History Month 💜
Objective

This email aims to align Stix’s brand with Women’s History Month by encouraging purchases that trigger product donations to women’s health organizations, fostering customer participation in social impact while driving sales.

Why this works

Stix smartly ties its product sales to a meaningful cause during Women’s History Month, transforming every purchase into an act of advocacy and deepening emotional connection with socially conscious consumers.

How to implement

By naming specific partner organizations like The Bridge Collective and Jane’s Due Process, the email builds credibility and transparency, helping customers visualize exactly how their support creates real-world impact for women’s health.

Pro Tip

Add a visual hero section with imagery of the donated products or beneficiaries to make the impact more tangible and emotionally compelling, increasing conversion through storytelling. • Include a clear, button-style CTA linked directly to the product page instead of relying on text-only encouragement, this reduces friction and guides users toward immediate action.

Colors:
#FFFFFF
#000000
#8E44AD