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

Volume / Contour · Temporal hollow

HA filler crosslinked evidence for Temporal hollow

B 56.9 / 100 Supported 8 RCT/meta · 7 clinical/observational · 15 case · 79 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 2021 Last 5 years 51% Positive results 38% Negative results 2 Korea/Asia 2

Known in Korea as

필러라풀렌리쥬필리즈네미라콜쥬비덤뉴라미스레스틸렌리쥬비엘바디필러

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

Key papers

tier1 Filler Injection Between the Superficial and Deep Temporal Fascia and Diameter of Superficial Temporal Arteries for Temple Augmentation: A Systematic Review and Meta-Analysis. Journal of cosmetic dermatology · 2026 · PMID 41466484

Abstract summary (English) BACKGROUND AND AIM: With age, temple depressions appear due to age-related atrophy of fatty tissue, leading to a prominent cheekbone and lateral rim of the eye socket. Hyaluronic acid fillers have become very popular in the temple area due to their simple procedure and reliable results. The present study was conducted with the aim of determining the effectiveness of filler injection between the superficial and deep...

Journal Article, Meta-Analysis, Systematic Review

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tier1 Visual Loss in Biostimulator Injectables: A Review of Incidence, Risk Factors, Etiology and Management Proposal. Aesthetic plastic surgery · 2025 · PMID 41263987

Abstract summary (English) BACKGROUND: As the popularity of non-hyaluronic acid (HA) injectables such as biostimulators rise in medical aesthetics, so have the rates of complications related to these injectables, including that of iatrogenic visual loss from vascular occlusion. METHODS: The authors conducted a systematic review of the available literature on visual loss related to the most widely used biostimulator injectables including...

Journal Article, Systematic Review, Review

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tier1 Nonsurgical Temple Volumization with Soft-Tissue Fillers: A Systematic Review of the Literature. Aesthetic plastic surgery · 2025 · PMID 40325223

Abstract summary (English) BACKGROUND: Facial aging leads to cosmetically unappealing volume loss in the temples. We systematically reviewed the available literature regarding nonsurgical temporal volumization with injectable fillers. METHODS: On Sept 16, 2024, Medline, Scopus, Embase, and Cochrane databases were queried with relevant terms for all articles describing temporal volumization with injectable fillers, including those with...

Journal Article, Systematic Review

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tier1 Improvement in Temple Hollowing with VYC-20L Hyaluronic Acid Filler: A Multicenter Randomized Controlled Trial of Safety and Effectiveness. Plastic and reconstructive surgery · 2025 · PMID 39808069

Abstract summary (English) BACKGROUND: Temple hollowing is characterized by a reduction of volume in the temporal fossa, which can result in a skeletonized look and contribute to an aged appearance. This study aimed to evaluate the safety and effectiveness of VYC-20L injectable gel to improve temple hollowing. METHODS: Adults with minimal, moderate, or severe temple hollows were randomized 2:1 to receive VYC-20L or no treatment.

Journal Article, Randomized Controlled Trial, Multicenter Study

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tier1 A Randomized Controlled Trial Evaluating Traditional Versus Extended Techniques of Poly- l -Lactic Acid Injection for the Aesthetic Improvement of the Temporal Fossae. Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] · 2025 · PMID 39964077

Abstract summary (English) BACKGROUND: Poly- l -lactic acid (PLLA-SCA) can be used to improve the aesthetics of the temporal fossae but is usually only deposited within the visible area of the temporal hollows. However, extending the treatment area posterior to the hairline may provide a greater lifting effect. OBJECTIVES: Assess the efficacy and safety of 2 techniques (traditional vs extended) of injecting PLLA-SCA for aesthetic improvement...

Journal Article, Randomized Controlled Trial, Comparative Study

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tier1 Comparative clinical study for the efficacy and safety of two different hyaluronic acid-based fillers with Tri-Hyal versus Vycross technology: A long-term prospective randomized clinical trial. Journal of cosmetic dermatology · 2022 · PMID 35770300

Abstract summary (English) BACKGROUND: Hyaluronic acid-based fillers have an immediate volumizing effect for the treatment of dermal contour deformities and to smooth dermal depressions formed by the loss of volume. A previous study on 2016-2018 has shown the efficacy and safety of the HA-based filler ART FILLER® Volume on the midface only, but not in a comparative manner. METHODS: In this context, an 18 months prospective randomized...

Randomized Controlled Trial, Journal Article, Equivalence Trial

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tier1 A Systematic Literature Review of the Middle Temporal Vein Anatomy: 'Venous Danger Zone' in Temporal Fossa for Filler Injections. Aesthetic plastic surgery · 2020 · PMID 32472312

Abstract summary (English) BACKGROUND: Treatment of a sunken appearance of the temporal region using injectable fillers is a popular procedure. The temporal fossa has very complex anatomy due to multiple vessels running in the different tissue layers. A severe complication in the form of non-thrombotic pulmonary embolism (NTPE) can occur as a result of an inadvertent injection in the middle temporal vein (MTV) while performing temporal fossa...

Journal Article, Systematic Review

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tier1 Clinical Validation of the Surface Volume Coefficient for Minimally Invasive Treatment of the Temple. Journal of drugs in dermatology : JDD · 2019 · PMID 31251545

Abstract summary (English) Objective: The aim of the present study is to compare the temporal surface volume coefficient obtained in the cadaveric model from subdermal and supraperiosteal injections to the clinical setting when treating temporal hollowing. Material and Methods: A total of 36 subjects were included in this investigation, 17 patients (16 females, 1 male; 46.3 ± 8.9 years; 25.5 ± 2.8 kg/m2) and 19 cadaveric specimens (11...

Journal Article, Randomized Controlled Trial, Validation Study

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tier2 Safety of Cohesive Polydensified Matrix Cross-Linked Hyaluronic Acid Volumizing Gel in Temporal Hollows and Cheeks: A Prospective, Open-Label, Postmarket Study. Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] · 2021 · PMID 34417392

Abstract summary (English) BACKGROUND: Facial aging is characterized by volume loss and progressive hollowing of temples and cheeks. Biodegradable filler materials are preferred over nonabsorbable materials; of these, hyaluronic acid (HA) fillers are the most often used because of their favorable effectiveness and safety profile. OBJECTIVE: To confirm the safety and effectiveness of Cohesive Polydensified Matrix (CPM)-HA26 gel in the...

Clinical Trial, Journal Article, Multicenter Study

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tier2 Open Label Study Evaluating Efficacy, Safety, and Effects on Perception of Age After Injectable 20 mg/mL Hyaluronic Acid Gel for Volumization of Facial Temples. Journal of drugs in dermatology : JDD · 2019 · PMID 30681799

Abstract summary (English) Objective: To study the safety, efficacy, optimal volume, and longevity of an injectable hyaluronic acid (HA) gel dermal filler to treat facial temporal fossa fat loss. Methods and materials: This open-label, single-site, 12-month study used 20 mg/mL HA gel to correct volume loss in both temples in 30 subjects. Touch-ups were allowed at week 2.

Clinical Trial, Journal Article

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Suggested interpretation

Strong evidence base

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