Best onsen for Skin Beauty in Shizuoka

1 picks ranked from onsen analysis-sheet data (official, verified and free-flowing sources prioritised)

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Inatori Ginsuiso Chloride Spring
Chloride SpringInfo pending
Inatori Ginsuiso
稲取 銀水荘
Shizuoka Higashiizu· 銀水荘2号源泉（稲取6号）
Inatori Sea-Warmth Spring

Inatori is a fishing town on a cape of the Izu Peninsula's east coast, known for its hanging hina doll decorations, and grew into a hot spring resort overlooking Sagami Bay as springs were developed in the Showa era. This source rises at a scalding 85.0°C, a weakly alkaline salt spring rich in chloride and calcium. It leaves a thin veil of minerals on the skin that holds in heat, so the warmth lingers after bathing. Strong yet caring, it is a seaside spring in tune with the sea breeze and waves.

Onsen RyokanRoom with Open-air Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHMildly Alkaline8.2
0714
TEMP85℃
0℃50℃100℃
KEY MINERALS
Chloride ion
3635 mg/kg

Boosts after-bath warmth and warms the body from the core.

Metasilicic acid
113 mg/kg

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

Bromide ion
9.9 mg/kg

Gentle calming action; often found alongside chloride.

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Why onsen are considered good for Skin Beauty

The benefits of an onsen vary by spring type. Certain spring types are traditionally considered good for Skin Beauty, and the corresponding indications are listed in the legally required onsen analysis sheets. my Onsen Techo ranks the onsen best suited to your symptom and area based on analysis-sheet data, which is mandated for display under Article 18 of Japan's Hot Spring Act. Each onsen page shows mineral visualisations, bathing tips and booking options.