Truly

Truly Beauty Diamond Baby Firm & Illuminate Serum — Diamond Peptides, Resveratrol & Hyaluronic Acid

High-performance beauty made for confident daily results

$61.91

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium beauty quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose Oseila Beauty

Introducing Truly Beauty Diamond Baby Firm & Illuminate Serum

Meet a luxurious, dual‑purpose treatment designed for both the face and body. This serum blends real diamond peptides with antioxidant‑rich resveratrol and hydrating hyaluronic acid to deliver a luminous, even‑toned finish. It offers an instant glow as the lightweight, fast‑absorbing formula settles into the skin, while the antioxidant blend works deeper to promote a more radiant complexion over time.

Key ingredients and how they work

  • Diamond peptides reach deep to support skin elasticity and a firmer appearance.
  • Resveratrol provides brightening antioxidants that help even dull skin tone.
  • Hyaluronic acid delivers lasting moisture to plump fine lines and maintain hydration.
  • Lightweight, non‑greasy finish with rapid absorption for a comfortable feel all day.
  • Sensory fragrance with notes of black currant, midnight jasmine, and vanilla cream for a luxurious moment of self‑care.
  • Multi‑use formula designed for both face and body to streamline your routine.

Real‑life use scenarios

In the morning, apply a small amount to cheeks, neck, and décolletage for an instant glow before makeup. After a shower, smooth over shoulders and arms to lock in moisture. The serum also targets textured areas on legs or elbows with continued use.

What you may notice over time

  • Potential improvements in skin firmness and elasticity with consistent use over weeks.
  • Brighter, more even complexion as antioxidant activity works deeper.
  • An immediate illuminated look that complements makeup and sun exposure.

Tips for best results

  • Warm a few drops between the palms before patting onto skin to enhance absorption.
  • Follow with a moisturizer to seal in moisture and active ingredients.
  • Patch test prior to full facial or body use, especially on sensitive areas.

FAQ

Q: Is Truly Diamond Baby Firm & Illuminate Serum suitable for all skin types?

A: Yes, it is suitable for most skin types, but a patch test is recommended to ensure compatibility.

Q: Can I use the serum on both face and body?

A: Absolutely. The formula is designed for multi-use application on face and body.