Skip to content

Free shipping on orders over $100

Maison Siam
0 items in cart
1 / 10

Expanded product image

HER HYNESS Hya+ Water Sunscreen SPF 50+ PA++++ 50 ml, white-to-pink tube with a white cream swatch

Expanded product image

HER HYNESS Hya+ Water Sunscreen tube beside a list of brand-stated benefits: light watery texture, broad-spectrum protection, anti-pollution and anti-aging

Expanded product image

Hand spreading HER HYNESS Hya+ Water Sunscreen on the back of a hand, with text stating silicone and oil free, no white cast

Expanded product image

Brand-reported test results for HER HYNESS Hya+ Water Sunscreen: in vivo SPF 65+ and in vitro SPF 75+, per ISO 24444 and 24443

Expanded product image

Diagram of the encapsulated UV filter in HER HYNESS Hya+ sunscreen, listing octocrylene, avobenzone, octisalate, titanium dioxide and zinc oxide

Expanded product image

Graphic describing the nanotech melatonin in HER HYNESS Hya+ Water Sunscreen and the brand's anti-aging claims

Expanded product image

HER HYNESS Hya+ Water Sunscreen tube shown with Watsons HWB and EVEANDBOY Best Selling award logos

Expanded product image

HER HYNESS Hya+ Water Sunscreen 50 ml tube beside a smiling model holding the product, with Thai text

Expanded product image

HER HYNESS Hya+ Water Sunscreen SPF 50+ PA++++ 50 ml tube on a white background

Expanded product image

Her Hyness sunscreen comparison chart of Hya+, UV Adapt and Hexa formulas: texture, suggested use, water and sweat resistance and key ingredients

HER HYNESS

HER HYNESS Hya+ Water Sunscreen SPF 50+ PA++++ 50 ml

Read customer reviews
Price: $52.99
In stock

HER HYNESS Hya+ Water Sunscreen SPF 50+ PA++++ 50 ml

Price: $52.99

Order today, estimated delivery Nov 22 – Nov 29 Ships from Thailand with tracking · Free shipping over $100

Secure checkout
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • JCB
  • Mastercard

The Maison Siam promise

  • 100% authentic

    Genuine products from Thai brands and makers, selected in Thailand.

  • Tracked shipping

    Every order ships from Thailand with a tracking number.

  • 14-day returns on eligible items

    Return unused items in original condition within 14 days of delivery. Food, consumables and opened beauty products are excluded; see our refund policy.

  • Real help from real people

    Questions about a product or your order? Email or call us and we will help.

Product details

Description

Experience next-generation daily sun protection with HER HYNESS HYA+ Water Sunscreen SPF50+ PA++++. This upgraded ultra-lightweight sunscreen features an innovative water-serum texture that glides effortlessly onto the skin without leaving a white cast, sticky feeling, or greasy residue. Designed for everyday wear, it provides powerful broad-spectrum UV defense while helping protect against premature skin aging, environmental pollution, and blue light exposure.

Powered by advanced Encapsulated UV Filter Technology and Nanotech-Melatonin, this high-performance sunscreen delivers long-lasting protection with skincare benefits, making it the perfect final step in your daily skincare routine.

Why You'll Love It

  • SPF50+ PA++++ Broad Spectrum Protection
  • Ultra-light watery serum texture
  • No white cast
  • Fast-absorbing and non-greasy
  • Makeup-friendly formula
  • Non-comedogenic
  • Suitable for sensitive skin
  • Helps defend against pollution and PM2.5
  • Hydrates while protecting the skin
  • Daily anti-aging sunscreen

Advanced Broad-Spectrum UV Protection

This upgraded formula provides comprehensive protection against multiple environmental aggressors.

Protects against:

  • UVA1
  • UVA2
  • UVB
  • Infrared (IR)
  • Blue Light
  • HEV (High Energy Visible Light)

The innovative Encapsulated UV Filter Technology surrounds advanced UV filters within nano capsules, helping maintain exceptional stability and providing protection that lasts significantly longer than conventional sunscreen filters while minimizing direct contact with the skin.

Anti-Aging Technology

Nanotech-Melatonin

An advanced delivery system designed to transport Melatonin deeper into the skin, helping to defend against photoaging caused by UV exposure.

Benefits include:

  • Helps reduce visible signs of premature aging
  • Supports the skin against environmental stress
  • Helps soothe skin after sun exposure
  • Promotes healthier-looking skin over time

Pollution & PM2.5 Protection

Urban environments expose skin to pollution every day. HER HYNESS HYA+ Water Sunscreen features Protection-P technology to help reduce the adhesion of airborne pollutants and PM2.5 particles to the skin.

Benefits include:

  • Helps minimize PM2.5 particle adhesion
  • Shields skin from environmental pollutants
  • Supports healthier-looking skin
  • Ideal for daily city living

Skincare Benefits Beyond Sun Protection

Unlike traditional sunscreens, this formula combines UV defense with nourishing skincare ingredients.

Sodium Hyaluronate

  • Delivers long-lasting hydration
  • Helps maintain skin moisture
  • Leaves skin looking plump and refreshed

Niacinamide

  • Helps brighten uneven skin tone
  • Supports a smoother complexion
  • Helps reduce the appearance of dark spots caused by sun exposure

Royal Jelly

  • Rich in antioxidants
  • Helps nourish the skin
  • Supports softer, healthier-looking skin

Phyto-Placenta

  • Helps support skin renewal
  • Promotes firmer-looking skin
  • Assists in maintaining youthful skin appearance

Ultra-Light Water Texture

Specially developed for daily use, the refreshing water-serum texture:

  • Feels exceptionally lightweight
  • Absorbs quickly
  • Leaves no sticky residue
  • Doesn't pill under makeup
  • Doesn't clog pores
  • Rinses off easily during cleansing

Perfect for humid climates and everyday wear.

Clinically Tested Performance

HER HYNESS HYA+ Water Sunscreen has been tested according to internationally recognized standards.

  • SPF50+ PA++++
  • Tested both In Vivo and In Vitro
  • Complies with ISO 24443 and ISO 24444:2019 standards
  • Broad-spectrum UVA and UVB protection

Gentle Formula for Sensitive Skin

Created with skin safety in mind, this sunscreen is suitable even for delicate and sensitive skin.

Features include:

  • Dermatologically tested
  • Non-comedogenic
  • Cruelty-free
  • Airless packaging helps preserve formula stability and reduce contamination

Free from:

  • Fragrance
  • Alcohol
  • Parabens
  • Mineral Oil
  • Artificial Colorants
  • Steroids

The formula also excludes more than 2,100 ingredients restricted under European cosmetic standards.

Suitable For

  • All skin types
  • Sensitive skin
  • Oily skin
  • Combination skin
  • Dry skin
  • Acne-prone skin
  • Daily outdoor activities
  • Hot and humid climates

How to Use

Apply generously to the face and neck as the final step of your morning skincare routine, approximately 15–20 minutes before sun exposure.

For prolonged outdoor activities, swimming, towel drying, or excessive sweating, reapply as needed to maintain optimal protection.

Product Highlights

  • SPF50+ PA++++
  • Broad Spectrum UVA & UVB Protection
  • Protects Against UVA1, UVA2, UVB, IR, Blue Light & HEV
  • Advanced Encapsulated UV Filter Technology
  • Nanotech-Melatonin Anti-Aging Technology
  • Anti-Pollution & PM2.5 Protection
  • Lightweight Water-Serum Texture
  • No White Cast
  • Makeup Friendly
  • Non-Comedogenic
  • Hydrating with Sodium Hyaluronate
  • Brightening with Niacinamide
  • Nourishing with Royal Jelly
  • Supports Skin Renewal with Phyto-Placenta
  • Dermatologically Tested
  • Fragrance-Free
  • Alcohol-Free
  • Suitable for Sensitive Skin
  • Size: 50ml

Everyday Sunscreen That Does More

HER HYNESS HYA+ Water Sunscreen SPF50+ PA++++ is more than just sun protection. Combining advanced UV technology with premium skincare ingredients, it helps defend against premature aging, pollution, and environmental stress while keeping skin hydrated, comfortable, and healthy-looking. Its invisible, ultra-light formula makes it the ideal sunscreen for everyday use, whether worn alone or under makeup.

Shipping & returns

We ship from Thailand to selected countries. Delivery times, costs, return conditions and exclusions are set out in our policies.

Shipping policy Refund policy Questions? Contact us

More Thai favourites picked for you.

Shop all Beauty & skincare