GLASS LAB · Medical Aesthetics Evidence Index 303 cells · 19,226 papers · 5,969 top-tier evidence

Volume / Contour · Lip augmentation

HA filler crosslinked evidence for Lip augmentation

B 58.4 / 100 Supported 34 RCT/meta · 22 clinical/observational · 60 case · 234 total
Good evidence · positive conclusion

There is a relatively good level of clinical evidence, and a majority of papers support its effectiveness.

Grade combines the quantity and quality of the research, while direction is a separate signal showing how the papers assess effectiveness.

Includes meta-analysis/SR Median year 2019 Last 5 years 41% Positive results 32% Negative results 4 Korea/Asia 7

Known in Korea as

필러라풀렌리쥬필리즈네미라콜쥬비덤뉴라미스레스틸렌리쥬비엘바디필러

Procedure and brand names vary, but the evidence above applies to the same procedure mechanism.

Key papers

tier1 Efficacy and Safety of Hyaluronic Acid Lip Fillers: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Aesthetic surgery journal · 2026 · PMID 41186199

Abstract summary (English) Despite the growing demand for hyaluronic acid (HA) lip fillers, there is a paucity of robust, quantitative data across high-powered studies. This systematic review and meta-analysis aims to assess the efficacy and safety of HA lip fillers as reported by randomized controlled trials (RCTs). A systematic review was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-analyses...

Journal Article, Systematic Review, Meta-Analysis

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tier1 Anatomical Depth of Labial Arteries in Dermal Filler Procedures: A Meta-analysis With Clinical Implications. Aesthetic surgery journal · 2026 · PMID 40987454

Abstract summary (English) Lip augmentation procedures are increasingly popular in aesthetic medicine, and precise knowledge of labial arterial anatomy is essential for safe outcomes. The superior labial artery (SLA) and inferior labial artery (ILA) serve as critical anatomical landmarks for these procedures, and their positioning guides injection techniques. But despite their importance, there has been uncertainty about the precise depths of...

Journal Article, Meta-Analysis

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tier1 Efficacy and Tolerability of a Topical Peptide-Hyaluronic Acid Lip Treatment Using a Novel Delivery System in Subjects With and Without Prior Lip Augmentation. Journal of cosmetic dermatology · 2025 · PMID 41273141

Abstract summary (English) BACKGROUND: Lips are prone to dehydration and aging. Effective noninvasive hyaluronic acid (HA) delivery remains challenging. AIM: To evaluate topical Replenishing Lip Filler-Tiered Release Vesicles (RLF-TRV) in filler-naïve and previously-augmented lips.

Journal Article, Randomized Controlled Trial

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tier1 Effectiveness and Safety of RHA3 vs a Comparator Product for Lip Augmentation: A Randomized, Controlled, Prospective, Multicenter Clinical Study. Aesthetic surgery journal · 2025 · PMID 40659364

Abstract summary (English) BACKGROUND: Lip augmentation using dermal fillers is increasingly popular, but often requires large volumes and regular touch-ups, whereas poor techniques and product selection can result in unnatural-looking lips. The RHA collection was designed to have less rigidity, allowing the products to adapt to facial animation. In particular, RHA3 has been approved in Europe for lip volumization.

Journal Article, Multicenter Study, Randomized Controlled Trial, Comparative Study, Equivalence Trial

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tier1 Long-Term Performance and Safety of a Superficial HA Filler With Tri-Hyal Technology on Different Facial Zones: Forehead, Cheeks, Crow's Feet, and Upper Lips. Journal of cosmetic dermatology · 2024 · PMID 39704133

Abstract summary (English) BACKGROUND: The function of injectable hyaluronic acid-based fillers is to smooth dermal wrinkles formed during aging. The aim of this study is to evaluate the performance and safety of a dermal filler after its commercialization. METHODS: In this context, an 18-month prospective randomized single-blind study for the efficacy and safety of ART FILLER Fine Lines (AFFL) was performed on the forehead, the upper lip,...

Journal Article, Randomized Controlled Trial

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tier1 Lip Augmentation With Saypha LIPS Lidocaine: A Postmarket, Prospective, Open-Label, Randomized Clinical Study To Evaluate Its Efficacy and Short- and Long-term Safety. Aesthetic surgery journal · 2024 · PMID 39167667

Abstract summary (English) BACKGROUND: Versatility, biocompatibility, and reversibility make hyaluronic acid fillers the backbone of minimally invasive lip augmentation procedures. OBJECTIVES: The aim of this study was to assess the effectiveness and short- and long-term safety of Saypha LIPS Lidocaine (Croma Pharma, Leobendorf, Austria) for lip augmentation to correct moderate to severe lip volume deficiency (grade 1-3 lip fullness score...

Journal Article, Multicenter Study, Randomized Controlled Trial

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tier1 Foreign body reactions related to orofacial esthetic fillers: A systematic review. Oral diseases · 2023 · PMID 36794982

Abstract summary (English) The aim of this study was to systematically review the clinicopathological data regarding foreign body reactions (FBR) related to esthetic procedures in the orofacial region. Electronic searches were performed in six databases and in gray literature using PEO acronym for the review question. Case series and case reports describing FBR related to esthetic procedures in the orofacial region were included.

Journal Article, Systematic Review, Research Support, Non-U.S. Gov't

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tier1 Complications, Treatment, and Outcomes of Self-Injecting Substances Into the Face: A Systematic Review. Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] · 2023 · PMID 38112411

Abstract summary (English) BACKGROUND: The increased demand for minimally invasive facial cosmetic procedures in tandem with the ease of acquiring injectable cosmetics through direct-to-consumer retailers has led to a rise in self-injecting cosmetics among untrained individuals. OBJECTIVE: To analyze complications, treatments, and outcomes associated with self-injecting fillers into the face. METHODS: A systematic review of the literature...

Systematic Review, Journal Article

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tier1 Perspectives and challenges in lip rejuvenation: a systematic review. European review for medical and pharmacological sciences · 2023 · PMID 37843317

Abstract summary (English) OBJECTIVE: There is an abundance of information on facelifts, blepharoplasties, rhinoplasty, and other cosmetic surgical procedures for the upper third of the face, but little is known about perioral lip rejuvenation. The aim of this article is to examine the existing literature on lip rejuvenation and perioral procedures related to lip rejuvenation. Additionally, this article aims to highlight the importance of...

Systematic Review, Journal Article, Research Support, Non-U.S. Gov't

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tier1 Clinical outcomes after lip injection procedures-Comparison of two hyaluronic acid gel fillers with different product properties. Journal of cosmetic dermatology · 2022 · PMID 36459413

Abstract summary (English) BACKGROUND: Transient swelling is common after lip injections with hyaluronic acid (HA) based fillers. Swelling and other injection-site reactions may relate to the injection procedure itself, or to gel properties, which differ between fillers due to differences in manufacturing methods. OBJECTIVES: To evaluate safety and effectiveness of lip injections with two HA fillers manufactured using different gel...

Journal Article, Randomized Controlled Trial

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Suggested interpretation

Strong evidence base

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