Waterproof jewelry in endurance test

Waterproof jewelry in the endurance test: How DOROSE defies 542 days of chlorine water

German jewelry problems: 71% of gold-plated chains do not survive 6 months
2024 Jewelry Quality Survey Results:
• 7 out of 10 gold-plated chains are discarded due to discoloration/allergies
• 63% of women want jewelry for sports/swimming
• 89% see a 2+ year warranty as proof of quality

DOROSE Innovation: Scientifically tested water resistance
✅ 3 times layer thickness
• 5μm PVD gold coating (industry standard: 0.5-1.5μm)
• Scratch test: 5000x keys/zipper without damage ([Video prove])

✅ Extreme durability tests
• 24h salt water cycle test = simulated 3-year wear
• 542 days of chlorinated water exposure (Berlin swimming coach test)
• Result: Conventional jewelry discolors after 37 days, DOROSE retains >90% color

✅ Hypoallergenic material
• EU REACH certified (CHXT20220913R)
• Low in nickel: <0.2μg/cm²/week (EU limit 0.5μg)

✅ Premium service (8 years of expertise)
• 2-year full warranty including coating damage
• Worldwide express shipping: DE in 1-3 days

Material comparison: Why titanium steel beats silver

Characteristic	Silver 925	DOROSE titanium steel 316L
Hypoallergen	△ Nickel risk	✅ Medically safe
Corrosion protection	Weekly care	✅ Chlorine water resistant
Color retention	6-12 months	✅ 24+ months
hardness	Soft (HV80)	✅ 3x more stable (HV210)

3-step care for eternal shine

• Disposable cleaning: Microfiber cloth in the direction of the grain
• Dry storage: magnetic closure box against humidity
• After chlorinated water: Rinse with clean water + pat dry

Real test proof: 542 days of extreme stress
“My DOROSE chain survived 6 hours of daily training – after 1.5 years, only minimal scratches, no allergies!”
– Alyn Barhr, professional swimming coach Berlin

Top 4 customer questions
Q1: Why 5μm coating?
✅ Equivalent to 10 standard positions, key-locked ([test video])

Q2: Is allergy testing possible?
✅ Free material samples + certificate, 30-day return policy

Q3: Pool damage warranty?
✅ Including sea/chlorine water use (except vandalism)

Q4: Showering with jewelry?
✅ Possible with clear water (avoid shower gels)