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📅 2026.07.13 Injectables 🏷️ Rejuran

Rejuran HB (Red): The Painless Upgrade Skin Booster for Sensitive and Dry Skin

Many want Rejuran skin boosters but retreat at the word “pain.” Some say Black works great but hurts enough to make you cry, and after one session they never want to return. Fear of pain — this is why many have a love-hate relationship with Rejuran.

There is one product in the Rejuran line specifically designed to solve this: 【Rejuran HB (Red)】. It is called the “painless version” or “low-pain version” of Rejuran. This article breaks down Red’s positioning, core benefits, pricing, and suitable candidates.

What Is Rejuran HB — Key Difference from Black

Red’s positioning in one sentence: 【an upgraded Black — the painless version of Rejuran.】

Red makes 【two core upgrades】 over Black:

【First, added anesthetic — pain reduced by approximately 53%.】 Red adds 【lidocaine (local anesthetic)】 to Black’s PN formula, reducing injection pain by 【over 50%】. Many who found Black too painful to repeat are exactly who Red is designed for. Black focuses on PN regeneration but has notable pain; Red specifically adds anesthetic to significantly improve comfort during treatment.

【Second, added hyaluronic acid — dual repair + hydration.】 Beyond PN and lidocaine, Red also adds 【cross-linked hyaluronic acid (HA)】. PN handles repair and regeneration; HA handles deep hydration. Together they achieve “regeneration + hydration” in one. If Black is “repair,” Red is “repair + hydrate” — repairing the skin barrier while delivering visible dewy radiance.

Core Benefits of Rejuran HB

Red’s core benefits focus on three levels:

  • 【Repair and regeneration:】 The core ingredient remains PN (polynucleotide), extracted from salmon DNA, highly compatible with human DNA. It stimulates cell regeneration from the root, repairs damaged skin barriers, and strengthens the skin’s resistance to external irritants. For skin damaged by UV, aging, or excessive treatments, Red’s repair effect is approximately 【twice that of Black】.
  • 【Deep hydration:】 The added cross-linked hyaluronic acid delivers 【extra deep hydration and dewy effects】, improving dry, rough, and dull skin. Many with dry, sensitive skin report their skin feels “like it drank a full glass of water” after Red, with noticeably improved radiance.
  • 【Soothing and redness reduction:】 Red is excellent for 【sensitive, redness-prone, barrier-damaged】 skin — relieving sensitivity, reducing chronic redness, post-cleansing redness, and UV-induced redness.

Who Is Rejuran HB Suitable For?

Red primarily targets:

  • 【Those afraid of pain but wanting Rejuran】 — Red’s core audience. If Black is too painful, Red offers significantly better comfort.
  • 【Very dry, dehydrated, rough, dull skin】 — Red’s hyaluronic acid delivers noticeable hydration.
  • 【Damaged barrier, sensitive, redness-prone skin】 — Red repairs the barrier and reduces redness.
  • 【Sun damage or photo-aging, sagging skin with loss of elasticity】 — Red’s PN stimulates collagen production.
  • 【Early aging skin with emerging fine lines】 — Red’s anti-aging and repair capabilities slow early signs.
  • 【Post-laser or energy device treatment needing repair】 — Red’s PN accelerates healing.

【Not suitable for:】 Those allergic to hyaluronic acid or anesthetics, patients with severe immune disorders or coagulation dysfunction, or those with active infections or skin diseases at the injection site.

Rejuran HB vs. Black: How to Choose

Many struggle between Red and Black. The core differences:

ComparisonBlack (Healer)Red (HB)
Core ingredientPN (polynucleotide)PN + lidocaine + cross-linked HA
Main effectFull-face repair and anti-agingRepair + anti-aging + deep hydration
Pain levelNoticeable【Reduced ~53%】
Repair effectStrong【2x of Black】
Hydration effectModerate【Extra deep hydration】
Suitable forCan tolerate pain, seeks regenerationFear pain, dry/sensitive skin, wants repair + hydration

【How to choose:】 If you can tolerate pain and mainly want full-face repair → 【Black】; if you fear pain, have dry skin, and want repair + hydration → 【Red】. If you want Rejuran’s regenerative effects but are afraid of pain, Red is the best choice. For first-time Rejuran users or those mainly seeking hydration with mild repair, Red is also more economical.

Pricing and Treatment Course

Prices vary by clinic, region, and promotions:

  • 【Migeum branch:】 Red 1cc 179,000 KRW (excluding VAT)
  • 【Hongdae/Sinchon area:】 Red HB 199,000 KRW (approx. 149 USD)
  • 【Red HB 2cc:】 Approx. 540,000 KRW (approx. 405 USD)
  • 【HB Plus 6cc with soothing care:】 Approx. 1,090,000 KRW (approx. 818 USD)
  • 【Market reference:】 Red approx. 3,300-4,000 RMB (approx. 460-560 USD)

Red’s ingredient concentration is lower than Black, making it more affordable — suitable for budget-conscious seekers of basic repair. Hongdae area prices are notably lower than Gangnam.

【Course recommendation:】 Red is typically recommended at 【3 to 4 week intervals】 for 【3 sessions】 as a complete foundational course. After intensive treatment, maintenance every 【6 months to 1 year】.

Real Experience After Rejuran HB

Many wonder: what does it actually feel like after Red?

One user shared that 3 days post-treatment, their face was very bright and skin was visibly improving. After the first session, changes appeared gradually around week 4 — skin texture refined, radiance emerged, and the feel was completely different from before.

After the second session, once swelling subsided, they looked “radiant and well-rested.” Multiple users report Red makes skin brighter, pores smaller, and glow more visible. One user noted the hydration lasted longer than basic skin boosters because it improves skin quality from the foundation, not just temporarily adding moisture.

However, some reported noticeable redness and swelling on the day of treatment with a tingling itch. First-time users should choose an experienced doctor and manage expectations. These reactions subside within 1-3 days as normal post-treatment phenomena.

Rejuran HB has a clear positioning within the Rejuran line: 【the painless upgrade to Black, the hydration-repair top choice for dry, sensitive skin】. It is not a replacement for Black but a version designed for those who “fear pain + need hydration and repair.” If you are pain-averse, have dry skin, and a damaged barrier, Red may be the best Rejuran entry point for you.


Disclaimer: This information is compiled from public sources for reference only. Specific treatment plans and costs should be determined by a professional doctor through in-person consultation. This article does not constitute medical advice.