Skip to product information
1 of 3

Hello Sunday The One That's a Serum SPF 45 Hydrating & Brightening Vitamin C

Hello Sunday The One That's a Serum SPF 45 Hydrating & Brightening Vitamin C

Hello Sunday The One That's a Serum SPF 45 is a multitasking hybrid that combines the brightening benefits of a vitamin C serum with broad-spectrum SPF 45 sun protection. This lightweight, fast-absorbing formula hydrates, brightens, and defends the skin against UV rays and environmental stressors in one effortless step. Vitamin C helps even skin tone and boost radiance while the daily sun protection guards against premature aging. The silky texture layers beautifully under makeup, making it a perfect everyday final skincare step.

For detailed shipping and return policies, please visit our Shipping & Returns page.

  • Free standard shipping for orders $50+
  • Ready to be shipped within 1-2 business days

Product Details

Condition: New with box
Size: Standard
UPC: N/A

Regular price $19.95 USD
Regular price Sale price $19.95 USD
Sale Sold out
Shipping calculated at checkout.

In stock

View full details
Who should try Hello Sunday The One That's a Serum SPF 45 — model applying the white serum sunscreen

Who should try these GOODS?

Ideal for anyone who wants to simplify their morning routine with brightening skincare and daily SPF in one step. Perfect for those targeting dullness and uneven tone who want vitamin C plus broad-spectrum protection, and who like a lightweight formula that layers under makeup. Suitable for most skin types.

  • Product Benefits

    Serum + Sunscreen in One: Combines brightening skincare with daily broad-spectrum SPF 45.


    Brightens & Evens: Vitamin C helps fade dullness and even the look of skin tone.


    Lightweight & Fast-Absorbing: Sinks in quickly with no greasy feel or white cast.


    Layers Under Makeup: The silky texture makes a perfect final skincare and base step.

  • Key Ingredients

    Broad-Spectrum SPF 45: Helps shield the skin from UVA and UVB rays and daily environmental exposure.


    Vitamin C: Brightens, evens skin tone, and boosts radiance for a healthier-looking glow.


    Hyaluronic Acid: Draws in moisture to hydrate, plump, and smooth the skin.


    Antioxidants: Help defend the skin against free radicals and environmental stress.

  • How it works

    Hello Sunday The One That's a Serum is a hybrid that delivers the brightening benefits of a vitamin C serum together with broad-spectrum SPF 45 sun protection in a single step. The sunscreen filters absorb and deflect UVA and UVB rays to help prevent sunburn, dark spots, and premature aging, while vitamin C works to brighten the complexion, fade the look of dullness, and even skin tone over time. Hyaluronic acid binds moisture to hydrate and plump, and antioxidants help defend against environmental stress. The lightweight, fast-absorbing formula sinks in without a greasy feel or white cast and layers beautifully under makeup, making it an easy, multitasking final step in a morning skincare routine.

Collapsible content

Additional Information

Brand: Hello Sunday

Series: The One That's a Serum

Shade: N/A

Product group: Serum SPF 45

Form: Serum

Application time: Day

Gender: Unisex

Classification: Sun care

Country of TM: United Kingdom

Ingredients

Contains Vitamin C and SPF actives. See product packaging for the full ingredient list and drug facts.

How to Use

As the last step of your morning skincare, apply evenly to the face and neck 15 minutes before sun exposure. Reapply throughout the day as needed.

Product Warnings

Sun protection: For external use only. Avoid eyes. Keep out of reach of children. See drug facts on packaging.