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IOPE RETINOL RETI-JECTION SERUM 50ml

Ingredients and claims, checked

Product photo of IOPE RETINOL RETI-JECTION SERUM 50ml

Last checked October 1, 2026

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What is it like at a glance?

What the ingredients do

Moisture seal leads, with 6 of 39 ingredients.

Moisture seal
6
Softening
4
Skin protection
3
Hydration
2

By skin type

  • SensitiveUse with care

Piboo’s rating from user reports.

Worth knowing

  • Pregnancy: check first
  • Has a fungal-acne trigger

Made for

What is this product?

What to expect
This serum is made for firmer skin.
When
Evening

Who is it for?

Less suited to

  • Sensitive skin

What to watch for?

Watch-outs

  • Pregnancy: check first (Retinol, Hydroxypinacolone Retinoate)
  • Retinol, the namesake ingredient, is included in a small amount near the end of the list
  • If you get fungal acne: Butyrospermum Parkii (Shea) Butter, Polyglyceryl-3 Distearate

How do you use it?

Where in your routine
Evening serum step after toner and before a moisturiser, with a sunscreen the next morning
Pairs well with
An emulsion and a cream applied after the serum
Don't combine with
  • Home devices and dermatological procedures
  • Daytime use without a sunscreen

What is in it?

The full ingredient list as the brand publishes it, in the printed order. Tap a name to read about that ingredient.

This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary, except 2 with no dictionary entry, left in Korean.

Worth a closer look

Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.

What the claims add up to

Only partly backed:
firmer skin · less visible dark spots · softer-looking fine lines
Don't count on:
less visible pores
See each claim, checked (24)

Claims, checked

  • As a special-care-grade intensive retinol (RX 2%), it is recommended for normal skin and beginner-to-intermediate retinol users, and is suitable for those aiming for pore elasticity and wrinkle improvement.plausible, not tested
  • Compared to collagen booster special care, elasticity +49%, wrinkle improvement +83%, radiance +88%, more powerful efficacypartly backed
  • Wrinkle improvement/whitening functionalitypartly backed
  • With its low-irritation design, skin irritation was reduced by 80%, but as Retijection™ penetrates deeply into the skin, a slight stinging sensation may be felt depending on individual skin condition.partly backed
  • Powerful without irritation factorsoverstated
  • Confirmed powerful pore and elasticity improvement after just 1 useoverstated
  • Visible improvement even for wrinkles that have already settled inoverstated
  • Skin that shines flawlessly through turnover synergyoverstated
  • IOPE's independently designed retinolRXᵀᴹ that effectively reaches the deep layers of the skin⁴⁾ without loss of active ingredientsoverstated
  • A high-efficacy serum that delivers retinol RX™ 2% with 3 million spicules 46% deeper and more powerfully into the skin, delivering elasticity effects beyond collagen special careno supporting source found
  • #SpecialCareGradeElasticitySerum, #PoreWrinkleIntensiveCare, #SpiculeRetinol, #LowIrritationSpiculeno supporting source found
  • A spicule retinol serum with collagen booster effects beyond special careno supporting source found
  • 22 retinol-related awards, 15 globally registered patentsno supporting source found
  • With 3 million spicules, stronger ingredient delivery, elasticity effects beyond collagen special careno supporting source found
  • With 3 million spicules, retinol RX™ 2%³⁾ into the skin⁴⁾ 46% deeper⁵⁾no supporting source found
  • The first⁶⁾ spicule retinol to deliver retinol RXᵀᴹ 2%³⁾ serum directly into the skin⁴⁾, Retijectionᵀᴹno supporting source found
  • 46%⁵⁾ faster and deeper skin delivery, more powerful elasticity effectsno supporting source found
  • Low-irritation, high-efficacy Retijectionᵀᴹ that raised skin irritation factorsno supporting source found
  • A specially designed low-irritation spicule made by cutting off both pointed ends of the spicule, Retijectionᵀᴹno supporting source found
  • Dermatology test completed, sensitive skin primary irritation test completed, eye irritation alternative test completedno supporting source found
  • With smaller, blunter spicules, low irritation and high content, skin irritation -80%no supporting source found
  • Retinol that has been No. 1 for 28 years⁸⁾, IOPE retinolno supporting source found
  • Special-care-grade intensive retinol - retinol Retijectionᵀᴹ serum (RX 2%)no supporting source found
  • *Human application testing was conductedno supporting source found

We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.

How we check claims

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