Application in the mid-face
Hyaluronic Acid Powder Bulk is a natural glycosaminoglycan that is a significant constituent of the extracellular matrix of all adult animal tissues. Clinically, HA fillers mainly include animal tissue sources and microbial fermentation sources. The raw materials from animal sources are especially cockscombs, human umbilical cords, and eyeballs; Streptococcus is usually used for microbial fermentation. The catabolism of HA is rapid, <24 h in the skin.
Natural hyaluronic acid bulk powder is stabilized by cross-linking for its use as a dermal filler. The most commonly used cross-linking agents are divinyl sulphone (DVS) and 1,4-butanediol diglycidyl ether (BDDE). At the same time, it increases its stability in the organization. By adjusting the length, concentration, particle size, and degree of cross-linking of HA molecular chain, HA products with different hardness, cohesion, and thrust force can be made to meet different clinical needs.
Specification
| Product Name | Hyaluronic Acid Powder Bulk |
| Chemical formula | (C14H21NO11)n |
| CAS accession number | 9004-61-9 |
| EINECS Accession Number | 232-678-0 |
| Appearance | White powder |
| Application | The cosmetic industry, beauty industry, food industry, medical industry, etc. |
What is the injection method of Hyaluronic Acid Powder Bulk in the mid-face?
The method of injection of HA in the mid-face (including the upper cheek, lid-buccal junction, subzygomatic region, and preauricular region) depends on the site to be treated and the experience of the injector. The American Society of Plastic Surgeons published the injection guidelines for the use of HA in mid-face aesthetics. The author reviewed and summarized the previous literature, combined with clinical experience, and summarized the injection methods and injection items of HA fillers in the mid-face as follows.
HA injection in the upper cheek
The main injection sites for Hyaluronic Acid Bulk Powder in the upper cheeks include the anterior cheeks, inner cheeks, and side cheeks. The injection in the anterior cheek can be done in the deep subcutaneous or subperiosteal plane. The operator should pay attention to avoiding the infraorbital artery and vein and should inject below the orbital rim to avoid HA migration to the lower eyelid.
HA injection at the eyelid junction
Filler injections at the eyelid junction carry a higher risk of bruising and are prone to complications such as eyelid edema, lumpiness, and asymmetry. A 25 or 27 G blunt needle and injection 1-2 mm below the orbital rim are recommended to avoid entry. Orbital injection sites can be chosen at the medial and lateral periosteum of the lid-cheek junction.
HA injection in the subzygomatic region
HA can be injected in the subzygomatic region using a point injection method and a fan injection method.
HA injection in the preauricular area
3~6 points in the preauricular area on each side can be selected to insert the needle into the upwardly inclined superficial epidermis and slowly inject. It is recommended to use a blunt needle, choose point injection or radial injection, and withdraw before injection. The operator should pay attention to avoiding the parotid gland and facial transverse artery and vein, and massage should be done after injection.
HA injection in the nose
The nasal filling is recommended to use a blunt needle, a linear retrograde injection, and a bolus injection along the midline as far as possible. The dorsum of the nose can be injected into the deep layer of the dorsal fascia and the surface of the periosteum. The tip of the nose should be injected with caution, and subcutaneous injection is recommended; the nasal columella should be injected cautiously; the alar tissue is dense, and the injection should be cautious.
HA injection in the nasolabial fold
For Hyaluronic Acid Powder Bulk filling in the nasolabial fold, it is recommended to use blunt needles, multi-level (such as subperiosteal and subdermal combined injection) points, or linear injections to reduce local damage caused by superficial injections and avoid the problem of insufficient deep injections.
Where to buy Hyaluronic Acid Powder Bulk?
Yansheng International Group Ltd. is one of the best hyaluronic acid suppliers, we have more than 15 years of industry experience and practice. If you want to buy hyaluronic acid, please contact us directly!
E-mail:medical@ysgcn.com
Hyaluronic Acid Powder Bulk has become an ideal filling material for skin and soft tissue because of its good biocompatibility, high viscoelasticity, plasticity, and degradability, which can provide volume and volume support for tissues and facilitate local shaping.
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