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Injectable NASHA Gel Skinbooster for Facial Skin Aging in Premenopausal and Postmenopausal Women With Estrogen Deficiency-Associated Not Receiving Hormone Therapy: A Case Series

October 2026 | Volume 25 | Issue 10 | 903 | Copyright © October 2026


Published online September 29, 2026

Magda Belmontesi MDa, MD Martinelli MDb

aAGORA Clinical and Training Center, Milan, Italy
bPrivate Practice Gynecology and Obstetrics, Vigevano, Italy

Abstract
Background: Estrogen deficiency contributes substantially to intrinsic skin aging by reducing dermal collagen, impairing hydration, decreasing elasticity, and compromising overall skin quality. Although hormone therapy may attenuate these changes, many are either unwilling or unable to receive systemic hormonal treatment. Injectable nonanimal stabilized hyaluronic acid (NASHA) gel skinboosters may represent a nonhormonal approach for improving skin quality in this population.
Objective: To evaluate the efficacy of an infiltrative treatment of injectable hyaluronic acid NASHA gel skinbooster antiaging treatment to improve and restore skin quality in premenopausal and postmenopausal women with estrogen deficiency–associated skin aging who were not receiving hormone therapy.
Methods: This prospective observational case series included 10 women (5 premenopausal and 5 postmenopausal) with mild-to-moderate climacteric symptoms and no history of hormone therapy. All participants underwent gynecologic-hormonal and dermatologic evaluation before receiving 3 monthly treatment sessions with injectable NASHA gel skinbooster. Clinical assessments, standardized photography, and patient-reported outcomes were obtained at baseline(T0), after 3 monthly treatments (T1), after 4 months (T2), and after 6 months (T3).
Results: Participants demonstrated clinical improvement in multiple parameters of facial skin quality following treatment. Improvements were observed in hydration, texture, elasticity, and the appearance of fine lines and roughness. Standardized photographs showed progressive aesthetic improvement throughout follow-up, and patients reported high levels of treatment satisfaction. The treatment protocol was well tolerated, with only minor transient injection-related reactions.
Conclusions: In this case series, treatment with injectable NASHA gel skinbooster was associated with improvements in facial skin quality in women with estrogen deficiency who were not receiving hormone therapy. These findings suggest that injectable NASHA gel skinbooster may represent a useful adjunctive nonhormonal approach for improving visible manifestations of estrogen-deficiency-related facial skin aging.

 

INTRODUCTION

Menopause is a physiological stage in a woman's life characterized by the permanent cessation of ovarian follicular activity and a consequent decline in circulating estrogen levels. This transition reflects a complex neuroendocrine remodeling of the hypothalamic-pituitary-ovarian (HPO) axis and results in systemic changes that extend far beyond reproductive function. Estrogen deficiency affects multiple organ systems, including the cardiovascular, metabolic, skeletal, genitourinary, immune, and integumentary systems, contributing to a broad range of clinical manifestations that may significantly influence both overall health and quality of life.1–3

Neuroendocrine and Hormonal Changes
The menopausal transition is characterized by a progressive decline in ovarian reserve, reflected by decreasing anti-Müllerian hormone (AMH) and inhibin B concentrations. The resulting reduction in negative feedback to the hypothalamus and pituitary gland leads to increased secretion of gonadotropins, particularly follicle-stimulating hormone (FSH), often exceeding 25–30 IU/L, and increased luteinizing hormone (LH) levels.4

Estradiol (E2), the predominant biologically active estrogen during the reproductive years, declines substantially throughout the menopausal transition and frequently reaches serum concentrations below 20 pg/mL after menopause. Estrone (E1), produced primarily through peripheral aromatization of