| FACIALAESTHETICS | PEER-REVIEW


a perfectly performed injection. In these cases, under-treating is preferable to avoid the risk of the Tyndall effect.


Conclusions A beautiful glance lights up the face. Enhancement and filling of the tear trough will embellish the luminosity of the glance and overall appearance. The use of hyaluronic acid products, the quality of which is constantly evolving, achieves this result. Certainly, the future of aesthetic medicine will be shaped by further research — the development of less hydrophilic hyaluronic acids resulting in less water absorption, and the minimisation of adverse events such as the Tyndall effect. These new products will be able to be dispersed in a


thin layer in areas such as the palpebromalar groove and tear trough, resulting in a natural appearance, and will have the additional benefit of a sufficiently long duration.


 Declaration of interest None for this publication. Dr Lakhdar Belhaouari is a consultant for Allergan Inc., and has received grants for conferences, masterclasses and video presentations


 Figures 1–7 © Dr Belhaouari 4154 1_2 page_Layout 1 21/12/2012 16:22 Page 1


Figure 7 (A) before treatment and (B) after treatment of hyaluronic acid to the tear trough


References


1. Belhaouari L, Teisseire P, Quinodoz P. Vectors for volumisation: enhancing the mid-face with hyaluronic acid. PRIME 2012; 2(1): 28–40


2. Mendelson BC, Hartley W, Scoot M, McNab A, Granzow JW. Age-related changes of the orbit and midcheek and the implications fot facial rejuvenation. Aesth Plast Surg 2007; 31(5): 419–23


3. Rouvière H, Delmas A. Anatomie Humaine. Tome 1. Paris: Masson, 1984


4. Belhaouari L, Teisseire P, Quinodoz P. Rajeunissement et embellissement du tiers moyen du visage avec l’acide hyaluronique, Vecteurs pour la volumétrie. J Méd Esth Chir Derm 2012; 39(155): 147–55


5. Belhaouari L, Gassia V. L’art de la Toxine Botulique en Esthétique. France: Arnette Wolters Kluver, 2006 ; 44-57


6. Lambros V. Observations on periorbital & midface aging. Plast Reconstr Surg 2007; 120(5): 1367–77


7. Meyer K, Palmer JW. The polysacaccharide of the vitreous humor. J Biol Chem 1934; 107: 629–34


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