1,2 Department of Pharmaceutics, St. Wilfred Institute of Pharmacy, Panvel
3 Department of Pharmaceutics, YNP College of Pharmacy, Asangaon.
Nanostructured Lipid Carriers (NLCs) in Cosmeceutical & Pharmaceutical preparations is novel approach in order to improve the therapeutic efficacy of drug by characterizing its pharmacokinetic properties with lesser adverse effects. NLCs offers effective drug loading capacity and stability, making them highly effective for delivery system. This chapter thoroughly summarises not only how the integration of nanotechnology with lipid-based carriers has revolutionized modern delivery strategies in pharmaceuticals but also in cosmeceutical industry they gained much in terms of skin hydration, improved penetration of bioactives. Process parameters also play important role to get effective NLCs in terms of particle size and drug loading capacity. Their potential in vaccine delivery system gained attention to improved antigen stability. This review also discussed different future aspects in terms of market size, improvement techniques to enhance release, expected growth of NLCs in both pharmaceutical and cosmeceutical industry.
Nanostructured Lipid Carriers (NLCs) are lipid-based Drug Delivery system consists of appropriate lipid, surfactants and other excipients. [1] NLCs are mainly used to deliver the lipophilic drugs, containing liquid mixture with solid, lipid (liquid) in their matrix. In Drug Delivery system mainly, researchers search for suitable biodegradable, biocompatible lipid, surfactants and other excipients. Thus, with NLCs many characteristics of drug & parameters can be improved in terms of its drug release, adverse effects. [2]
Cosmeceuticals term described by Dr. Albert Kligman, identified the products lying spectrum between drug & cosmetics. In Simpler terms cosmetic products providing pharmaceutical therapeutic benefits but not in terms of biological therapeutic benefits. Therefore, from last decades Cosmeceutical products gained much popularity world-wide. Many marketed products are available to reduce skin problems like wrinkles, fine lines, acne, dark spots, skin pigmentation. [3] NLCs applications are investigated in different cosmeceuticals like anti-aging, skin brightening, moisturizing creams, sunscreen formulations.[4]
Dermatologists must grasp the theoretical mechanisms underlying cosmeceuticals. This knowledge will empower dermatologists to assist patients in sifting through the complex landscape of an expanding array of products and to set realistic expectations when contemplating the incorporation of cosmeceuticals into their skincare routines. [5]Cosmeceuticals, like cosmetics, are applied to the skin, but they contain powerful ingredients that can affect the skin's biological processes and provide essential nutrients for healthier skin. The use of cosmeceutical products during the recovery phase of cosmetic surgery is becoming increasingly popular to achieve the best results and ensure patient satisfaction, particularly with cleansers, moisturizers, and products designed to conceal imperfections. [6]
The cosmetic industry manufactures cosmeceutical products for hair, nails, lips, and eyelashes to promote growth, as well as sun-protective lip balms that incorporate the required ingredients such as steroids in lip balms.[7]
In the development of sophisticated and efficient cosmeceuticals, nanotechnology holds a prominent role. It is thought in the cosmetics field that smaller particles can be absorbed by the skin more readily, allowing for easier and more effective repair of damage.[8]
STRUCTURAL TYPES AND DESIGN OF NLCS
Fig no. 1 Schematic diagram illustrating structures of NLCs (1, 2, and 3 are disorder structure, amorphous structure and multiple structure, respectively)
PREPARATION AND CHARACTERIZATION OF NLCS
Across the uploaded studies, high-pressure homogenization (HPH) and microemulsion-based techniques are the most commonly employed methods for NLC preparation. These methods are scalable and reproducible, supporting industrial translation. [27]
Fig No. 2 High pressure homogenization
Table: Research Articles on HPH Technique in NLC Preparation
|
Ref. No. |
Authors |
Title |
Journal |
Year |
Key Contribution |
|
28 |
Galindo-Rodriguez S, Puel F, Briançon S, et al. |
Optimizing SLN and NLC by 2² full factorial design: Effect of homogenization technique |
Materials Science and Engineering C |
2012 |
Studied influence of HPH parameters on particle size and stability of NLCs |
|
29 |
Kasongo KW, Müller RH, Walker RB |
Drug Development and Industrial Pharmacy |
2012 |
Compared hot and cold HPH for hydrophilic drug loading in NLCs |
|
|
30 |
Duong VA, Nguyen TTL, Maeng HJ, Chi SC |
Journal of Drug Delivery Science and Technology |
2019 |
Cold HPH method for sustained-release hydrophilic drug-loaded NLCs |
|
|
31 |
Lüdtke FL, Stahl MA, Gigante ML, et al. |
Food Research International |
2022 |
Optimization of pressure, cycles, and emulsifiers in NLC preparation |
|
|
32 |
Gorle A, Pawar T, Mahhirao J |
Journal of Drug Delivery and Therapeutics |
2023 |
Application of HPH-based NLCs for anticancer drug delivery |
|
|
33 |
Elmowafy M, et al. |
Nanostructured lipid carriers (NLCs) as drug delivery platform |
Nanomaterials |
2021 |
Review detailing HPH as a primary industrial method for NLC production |
|
34 |
Duong VA, et al. |
Pharmaceutics |
2020 |
Comprehensive review of hot and cold HPH techniques |
|
|
35 |
Viegas C, et al. |
Solid lipid nanoparticles versus nanostructured lipid carriers |
Pharmaceutics |
2023 |
Comparison of SLNs and NLCs with emphasis on HPH processing |
Fig No. 3 Microemulsion based techniques
Table: Research Articles on Microemulsion Technique in NLC Preparation
|
Ref No |
Title of Research Article |
Drug / System Studied |
Method Used |
Key Findings |
Journal & Year |
|
36 |
Celecoxib |
Microemulsion template technique |
Produced NLCs with nanosize and enhanced skin permeation; prolonged anti-inflammatory activity |
Int. J. Pharm., 2008 |
|
|
37 |
Development of valdecoxib-loaded nanostructured lipid carriers |
Valdecoxib |
Microemulsion template technique |
High entrapment efficiency and sustained drug release for topical application |
Int. J. Pharm., 2006 |
|
38 |
Nanostructured lipid carriers from microemulsion templates for topical delivery |
Model drugs |
Microemulsion template method |
Demonstrated controlled particle size and improved stability of NLCs |
Drug Development and Industrial Pharmacy, 2009 |
|
39 |
Formulation and evaluation of NLC-based gel for topical delivery |
Anti-inflammatory drugs |
Hot microemulsion technique |
Improved permeation and prolonged release compared to conventional formulations |
AAPS PharmSciTech, 2010 |
|
40 |
Fabrication of nanostructured lipid carrier-based gels using microemulsion template |
Lipophilic drugs |
Microemulsion-based technique |
Stable NLC gel system suitable for dermal drug delivery |
Journal of Dispersion Science and Technology, 2012 |
|
41 |
Preparation of nanostructured lipid carriers by microemulsion method |
Various lipophilic drugs |
Microemulsion method |
Narrow particle size distribution and high drug loading |
Colloids and Surfaces B: Biointerfaces, 2013 |
|
42 |
NSAIDs |
Microemulsion-based preparation |
Enhanced bioavailability and reduced dosing frequency |
Pharmaceutical Development and Technology, 2015 |
|
|
43 |
Microemulsion-based preparation of nanostructured lipid carriers |
Review with experimental data |
Microemulsion technique |
Highlights advantages of low-energy microemulsion approach for NLC formation |
Advanced Pharmaceutical Bulletin, 2022 |
CHARACTERIZATION PARAMETERS
|
Characterization Parameter |
Technique Used |
Reference No. |
|
Dynamic Light Scattering (DLS), PCS |
44,45,46 |
|
|
Electrophoretic light scattering |
47,48 |
|
|
Ultracentrifugation, dialysis |
49,46 |
|
|
Drug loading (DL%) |
UV–Vis spectrophotometry, HPLC |
50,51 |
|
TEM, SEM, AFM |
52,53 |
|
|
DSC, XRD |
54,47 |
|
|
Drug–lipid interaction |
FT-IR, Raman spectroscopy |
45,49 |
|
In-vitro drug release |
Dialysis bag method |
46 |
|
Storage studies, size monitoring |
44,45 |
PERSONALIZED COSMECEUTICALS
NLCs enable customization of lipid composition and active loading, supporting personalized skincare products based on individual skin type, age, and environmental exposure.
ENCAPSULATION OF SENSITIVE BIOACTIVES
Advanced NLC systems will improve protection and stability of oxidation-sensitive actives such as retinoids, vitamins, peptides, and natural antioxidants.
|
Properties |
Key Ingredients |
Ref |
|
Moisturizing, hyadration |
Shea butter, Rose oil, Rose oil, Vit. E |
9 |
|
Hydration, prevents chippy lips from cold conditions |
Caffeine, other excipients |
10 |
|
Improved natural lip colour, hydration, plumping effect |
Peptides, hyaluronic acid, niacin, palmitoyl, tripeptide, and ceramides |
11 |
|
Provides nourishment, glow to lips |
Almond scrub, Orange peel powder, Bees wax, Aleo vera, Beetroot extract |
12 |
|
Sun Protection |
virgin coconut oil, crude palm oil, Candelilla wax |
13 |
|
Treatment of hyperpigmentation, protects from dehyadration and cracking |
Dacus Carota, Crocus Sativus, Carrot Oil, Camelina Oil |
14 |
|
Combat Staphylococcus aureus, antibacterial |
Clitoria ternatea L, Azadirachta indica |
15 |
|
Exfoliation (oily skin) |
Jojoba meal, polyethylene beads |
16 |
|
Antioxidant activity |
Garcinia mangostana L |
17 |
|
Improves skin texture, astringent |
Aloe barbadensis miller (Aloe), Cucumissativus (Cucumber) |
18 |
|
Anti-acne |
Turmeric Kombucha |
19 |
|
Sun protective lotion |
Titanium dioxide, Isocetyl stearoyl stearate, Octyl methoxycinnamate |
20 |
|
Acts as a mineral shield to reflect and scatter UV rays; highly photostable |
Titanium Dioxide, Zinc Oxide (ZnO) |
21 |
|
Absorbs UV radiation and converts it into harmless heat; provides cosmetic elegance with thinner, easier-to-spread formulations |
Oxybenzone, Avobenzone, Octocrylene, Octyl Methoxycinnamate (OMC) |
21 |
|
Enhances SPF through an "occlusive effect" that hydrates skin; prevents chemical filters from penetrating the bloodstream. |
Lipid-encapsulated OMC or Physical/Chemical blends |
21 |
|
Restores the skin's natural barrier and reduces trans epidermal water loss (TEWL) |
Hyaluronic acid, Ceramides, Glycerin |
22 |
|
Neutralizes free radicals and treats conditions like androgenic alopecia or environmental damage. |
Vitamin C, Vitamin E, Melatonin, Quercetin |
23 |
|
Promotes collagen production and uses NLCs to provide a sustained release of active compounds. |
Retinoids, Peptides, Resveratrol |
21 |
|
Delivers high concentrations of medication to specific skin layers for conditions like inflammation or hair loss. |
Diclofenac, Clotrimazole, Melatonin |
22 |
|
Treats Androgenic Alopecia by enhancing antioxidant levels at the follicle and improving hair density |
Melatonin, Antioxidant Oils (e.g., Rosemary, Almond) |
23 |
|
Mimics natural hair sebum to repair the hair shaft and provide an "occlusive effect" that prevents moisture loss |
Beeswax, Squalene, Lecithin |
24,25 |
|
Protects the scalp from UV-induced damage and DNA mutations; NLC formulations prevent the "white cast" on hair and scalp |
Titanium Dioxide, Zinc Oxide (ZnO) |
21, 26 |
CONCLUSION
Nanostructured lipid carriers (NLCs) have established themselves as advanced lipid-based systems with significant potential in both cosmeceutical and pharmaceutical drug-delivery applications. Their unique solid–liquid lipid matrix enables high drug loading, improved physicochemical stability, and controlled release of a wide range of bioactive compounds. In cosmeceuticals, NLCs enhance skin hydration, penetration, and long-term efficacy of actives such as antioxidants, vitamins, and sunscreens while maintaining excellent skin compatibility. In drug delivery, NLCs offer improved bioavailability, targeted delivery, and reduced systemic side effects. Although challenges related to large-scale manufacturing, regulatory approval, and long-term stability remain, ongoing research and technological advancements strongly support the future translation of NLC-based systems into effective, safe, and innovative therapeutic and cosmeceutical products.
FUTURE ASPECTS
Recent studies indicate that the future of nanostructured lipid carriers (NLCs) lies in advanced and patient-centric drug delivery applications. Souto et al. emphasized targeted and personalized NLC systems using surface functionalization and optimized lipid matrices [55]. Haider et al. and Khan et al. highlighted the potential of NLCs for gene, vaccine, and CNS drug delivery due to their biocompatibility and loading versatility [56,57]. Stimuli-responsive and smart NLCs for cancer therapy were reported by Tapeinos et al. [58]. Furthermore, challenges related to large-scale manufacturing and long-term stability were discussed by Doktorovová and Souto, indicating future translational opportunities [59]. For cosmeceuticals it’s expected to formulate and deliver NLCs according to different skin types which called as personalized skin formulation [67]. Next generation NLCs application as per stimuli response is prominent area of study for anti-ageing and sunscreen products with respect to release of bioactives according to UV exposure, pH and temperature. Future formulation includes NLCs penetration via transfollicular and trans- appendageal pathways, that improves delivery across skin barriers. [68] Long term toxicity and wider acceptance of NLCs in cosmeceuticals is also prominent area of study to establish global regulatory compliance [69] NLCs market size is projected to grow from USD 19.7 million in 2025 to USD 52.2 million by 2035 in which skin care will have market share of 10.4% [70] Global market statistics of nanparticles was USD 231.0 million in 2024 and estimating to grow at compound annual growth rate (CAGR) of 15% from 2024-2030. [71]
REFERENCES
Aakanksha Gaikwad, Pratiksha Bij, Dr. Sanket Dharashivkar, Formulation and Nanostructured Lipid Carriers (NLCS) Drug Delivery System: Current Status & Future Aspects, Int. J. of Pharm. Sci., 2026, Vol 4, Issue 5, 572-583, https://doi.org/10.5281/zenodo.20022575
10.5281/zenodo.20022575