Study · Rice Extract 01
Rice Bran Extract in Icheon Rice Mist
Format: Mist Toner · Role: Hydrating base extract
Ingredient Profile: Rice bran extract contains amino acids, polysaccharides, lipids and antioxidant components that help support moisture retention and barrier comfort.
Why We Use It: In BUENO+ rice formulas it acts as a base ingredient that connects local Icheon rice identity with everyday hydration, forming the core of the line’s soft, cushioned skin feel.
Research Summary: Rice bran–derived ingredients are reported in cosmetic studies to improve moisturisation, transepidermal water loss and surface texture; outcomes vary with extraction method, concentration and the surrounding formula.
Study · Amino Acid Complex 02
Rice Amino Complex for NMF Support
Format: Serum · Role: NMF-inspired humectant
Ingredient Profile: A blend of amino acids such as serine, alanine and threonine that resembles key components of the skin’s natural moisturising factor (NMF), supporting water-binding capacity and flexibility.
Why We Use It: Paired with rice extracts, this complex is chosen to improve skin affinity and comfortable hydration without stickiness, fitting fine mist and serum textures used in the Icheon rice line.
Research Summary: Amino acid complexes inspired by NMF are widely used to support hydration, softness and smooth texture; documented effects depend on total dosage, vehicle and routine consistency.
Study · Postbiotic 03
Lactococcus Ferment Lysate for Daily Balance
Format: Mist/Serum · Role: Postbiotic comfort support
Ingredient Profile: Lactococcus ferment lysate is a postbiotic ingredient that can support skin comfort and barrier resilience, helping the surface feel less reactive over time.
Why We Use It: In BUENO+ rice products it is placed alongside humectants and amino acids to support daily comfort, especially when skin becomes easily fatigued by routine or environment.
Research Summary: Early human data suggest improvements in perceived smoothness and barrier condition with postbiotic lysates, though outcomes depend on concentration and the surrounding formula structure.
Barrier Series
Study · Ceramide NP 03
Ceramide NP for Barrier Lipids
Format: Cream · Role: Barrier reinforcement lipid
Ingredient Profile: Ceramide NP is a stratum corneum‑identical lipid that helps fill gaps in the barrier’s lamellar structure and reduce water loss when combined with supporting lipids such as cholesterol and fatty acids.
Why We Use It: In BUENO+ barrier‑focused creams it is selected to anchor the lipid phase so that dry or seasonally stressed skin can feel denser and more resilient without a heavy, occlusive film.
Research Summary: Topical ceramide systems are well documented for supporting barrier repair, dryness reduction and comfort in sensitive skin; effects depend on the ratio of ceramides, cholesterol and fatty acids and on the overall cream structure.
Hydration Series
Study · Hyaluronic Acid 04
Sodium Hyaluronate for Surface Hydration
Format: Essence · Role: Hydrating film former
Ingredient Profile: Sodium hyaluronate is a water‑binding polysaccharide that forms a hydrated film over the outer stratum corneum, helping the surface hold on to moisture.
Why We Use It: It sits as a core humectant across BUENO+ hydration formulas, pairing with glycerin and beta‑glucan so mists, essences and creams feel comfortably plump rather than sticky.
Research Summary: Hyaluronic acid and its salts are widely studied in topical products; cosmetic use is associated with improved surface hydration and the look of fine dry lines, with outcomes influenced by molecular weight distribution, dosage and vehicle.
Peptide Series
Study · Multi-Peptide 05
Multi-Peptide Complex for Expression Lines
Format: Cream / Serum · Role: Elasticity & line appearance
Ingredient Profile: A multi-peptide complex including short chains such as Acetyl Hexapeptide‑8, Acetyl Octapeptide‑3 and sh‑Oligopeptide‑1, used in cosmetics to support the look of elasticity and smoother lines around expressive areas.
Why We Use It: In BUENO+ creams and serums these peptides are combined with moisturising and barrier-supportive systems so that fine lines can appear more relaxed over time without relying on heavy textures.
Research Summary: Cosmetic peptides are an active research area; several small human studies report improvements in the appearance of wrinkles and firmness, but outcomes depend on peptide type, concentration, formula design and consistent use.
Vitamin C Series
Study · Vitamin C 06
Ethylated Vitamin C for Tone & Antioxidants
Format: Ampoule · Role: Central brightening antioxidant
Ingredient Profile: 3‑O‑Ethyl Ascorbic Acid is an ethylated vitamin C derivative designed to be more stable than pure ascorbic acid while providing antioxidant support and helping to brighten uneven-looking tone.
Why We Use It: In BUENO+ ampoules it is positioned as a central brightening and antioxidant ingredient, working alongside humectants and emollients to address dullness without leaving a heavy or sticky residue.
Research Summary: Vitamin C and its derivatives are well studied; ethylated forms show promising data for tone and antioxidant support, but visible effects still depend on total concentration, pH, vehicle stability and regular application.
Antioxidant Series
Study · Glutathione 07
Glutathione in Antioxidant Network
Format: Serum · Role: Supportive antioxidant
Ingredient Profile: Glutathione is a tripeptide antioxidant involved in cellular redox balance, used in topical products to help manage oxidative stress when paired with broader antioxidant systems.
Why We Use It: In BUENO+ serums it is positioned as a supportive antioxidant for skin exposed to urban air and daily light, complementing vitamins C and E rather than acting as a lone brightening agent.
Research Summary: Most data on glutathione relate to internal use and laboratory models; topical cosmetic studies suggest potential for tone and brightness, but evidence is still limited and outcomes depend strongly on formula design and routine.
Study · Panthenol 08
Panthenol for Comfort Under Friction
Format: Cream · Role: Moisturising conditioner
Ingredient Profile: Panthenol (pro‑vitamin B5) is a humectant and conditioning agent that attracts and holds water in the stratum corneum while helping to support barrier comfort.
Why We Use It: BUENO+ uses panthenol in creams and treatments designed for areas under repeated friction or stress, to keep the surface feeling softer, less tight and more resilient in daily routines.
Research Summary: Topical panthenol has a long record in cosmetic and dermatological formulas; human studies report benefits for hydration, barrier recovery and perceived softness, though results vary with concentration and vehicle.
Study · Allantoin 09
Allantoin for Soothing & Texture
Format: Cream · Role: Soothing helper active
Ingredient Profile: Allantoin is a classic soothing ingredient with mild keratolytic properties, used to support smoother-feeling skin and comfort in dry or sensitised areas.
Why We Use It: In BUENO+ creams it is included as a helper active after environmental or routine-related stress, working with emollients and humectants to ease roughness and tightness.
Research Summary: Allantoin has a long history of cosmetic use, with studies supporting its role in improving comfort and texture; cosmetic-level benefits are more modest than those reported in medical wound-healing contexts.
Truffle & Ferment Series
Study · Black Truffle 10
Black Truffle Extract as Supportive Conditioner
Format: Serum · Role: Surface refinement & sensorial layer
Ingredient Profile: Tuber Melanosporum (black truffle) extract contains amino acids, sugars and antioxidant compounds, and in cosmetics it is mainly used as a conditioning and sensorial ingredient within more functional systems.
Why We Use It: In BUENO+ serums it is positioned to refine surface look and feel alongside core moisturising and barrier-supportive ingredients, adding a subtle dimension of care rather than acting as the main active on its own.
Research Summary: Human clinical data on black truffle extract in topical use are limited; existing information focuses mostly on antioxidant potential and sensory appeal, so its role is framed as supportive instead of strongly performance-driven.
Study · Ferment 11
Aureobasidium Pullulans Ferment for Film-Forming Hydration
Format: Serum · Role: Flexible film-forming polymer
Ingredient Profile: Aureobasidium Pullulans ferment provides polysaccharides such as pullulan that can form a flexible, lightweight film on the surface, contributing to hydration and texture refinement.
Why We Use It: In BUENO+ serums it supports an elastic, hydrated skin feel and a smoother visual finish, working together with humectants and emollients rather than replacing them.
Research Summary: Film‑forming polysaccharides have been studied for moisturisation, smoothness and perceived firmness; specific outcomes depend on polymer type, concentration and base formula, so claims are kept conservative and focused on comfort.
Botanical Oils Series
Study · Jojoba Oil 12
Jojoba Seed Oil for Sebum Affinity
Format: Serum / Cream · Role: Balancing emollient
Ingredient Profile: Jojoba seed oil is composed mainly of wax esters that resemble key components of human sebum, giving it a high affinity for the skin’s surface lipids.
Why We Use It: In BUENO+ creams and serums it is used to soften dry areas while blending smoothly into oilier zones, helping to support barrier comfort without a heavy or greasy finish when used at considered levels.
Research Summary: Jojoba oil is widely used as a cosmetic emollient; studies and long-term use reports support its role in improving surface softness and barrier function, although specific outcomes depend on concentration and overall formula design.
Study · Meadowfoam Oil 13
Meadowfoam Seed Oil for Lasting Softness
Format: Cream · Role: Stable emollient base
Ingredient Profile: Meadowfoam seed oil is a highly stable plant oil rich in long‑chain fatty acids, valued for its long-lasting but non‑occlusive emollient properties.
Why We Use It: In BUENO+ creams it is included to help keep the emollient layer coherent and comfortable over time, supporting a smooth finish that does not feel waxy or overly shiny during daytime wear.
Research Summary: Meadowfoam oil’s oxidative stability is well documented in formulation literature; cosmetic use focuses on sustained softness and texture integrity, while direct clinical data on skin outcomes remain relatively limited.
Tone & Barrier Series
Study · Niacinamide 14
Niacinamide for Tone & Barrier
Format: Serum · Role: Even tone & barrier support
Ingredient Profile: Niacinamide is a water‑soluble form of vitamin B3 with a broad cosmetic profile, documented in human studies for supporting more even-looking tone, barrier function and overall skin comfort.
Why We Use It: In BUENO+ tone‑and‑barrier serums it is used at functional levels to address dull, uneven-looking areas while working with humectants and lipids so that daily use feels gentle enough for most skin types.
Research Summary: Multiple controlled trials report improvements in hyperpigmentation, tone uniformity and barrier parameters with niacinamide; visible outcomes, however, depend on concentration, base formula, sun protection and consistent use over time.
Study · Niacinamide 15
Niacinamide for Sebum Balance
Format: Serum/Cream · Role: Balancing active
Ingredient Profile: The same niacinamide molecule is also noted in cosmetic literature for its effect on sebum behaviour, shine and the visible look of pores when used within balanced formulas.
Why We Use It: In BUENO+ balancing products for combination skin it is paired with lightweight humectants and non‑occlusive emollients, aiming to soften contrast between oily and dry zones without stripping the surface.
Research Summary: Several small human studies suggest niacinamide can help reduce excess sebum output and improve the look of enlarged pores; effects are gradual and rely on suitable concentration, vehicle choice and regular application.
Adenosine Series
Study · Adenosine 16
Adenosine for Wrinkle Appearance
Format: Cream · Role: Expression line care
Ingredient Profile: Adenosine is a purine nucleoside recognised in Korea as a functional ingredient for improving the appearance of wrinkles, with documented effects when used at defined levels in topical formulas.
Why We Use It: In BUENO+ creams it is placed within soft emollient systems around expressive areas so that lines can look less pronounced over time while daily use remains comfortable even for more reactive skin.
Research Summary: Controlled trials in Korea and abroad report modest but measurable improvements in wrinkle depth and elasticity with adenosine; outcomes rely on sufficient concentration, supportive formula structure and consistent application.
Humectant System Series
Study · Glycerin 17
Glycerin as Core Humectant
Format: Toner/Essence · Role: Baseline hydration
Ingredient Profile: Glycerin is a small, water-binding molecule and one of the most studied humectants in skincare. It helps the outer stratum corneum hold on to moisture and slows transepidermal water loss.
Why We Use It: In BUENO+ toners and essences it is used at tuned levels together with hyaluronic acid and beta‑glucan, offsetting dry indoor air with steady hydration without leaving an overly sticky finish.
Research Summary: Multiple clinical studies use glycerin as a benchmark humectant for improving hydration, softness and barrier function; measured outcomes vary with concentration, vehicle design and how regularly the product is used.
Centella Series
Study · Centella 18
Centella Extract for Redness-Prone Skin
Format: Cream/Serum · Role: Soothing & barrier support
Ingredient Profile: Centella asiatica extracts and their triterpenes (such as madecassoside and asiaticoside) are documented in cosmetic and dermatological literature for supporting soothing, barrier recovery and the look of post-irritation redness.
Why We Use It: In BUENO+ creams and serums it is placed in formulas intended for redness‑prone or over‑treated skin, working with humectants and lipids to support comfort rather than promising instant tone change.
Research Summary: Multiple human studies report improvements in erythema, barrier markers and perceived comfort with Centella actives; effects depend on active level, vehicle structure and how the ingredient is combined with broader care routines.
Beta-glucan Series
Study · Beta-glucan 19
Beta-glucan for Sensitive Skin
Format: Essence/Cream · Role: Cushioning humectant
Ingredient Profile: Beta‑glucan is a high‑molecular‑weight polysaccharide, often sourced from yeast or oats, known for its humectant and soothing properties and its ability to form a soft, water‑holding film on the skin.
Why We Use It: In BUENO+ essences and creams for sensitive or barrier‑impaired skin it is paired with glycerin and hyaluronic acid to build a cushioning hydration layer that feels calm and less tight without excessive stickiness.
Research Summary: Emerging human studies suggest beta‑glucan can support hydration, redness reduction and perceived comfort, sometimes performing comparably to hyaluronic acid for moisture; outcomes vary with source, molecular size, concentration and base formula.
Vitamin E Series
Study · Vitamin E 20
Tocopherol in Lipid Defence
Format: Oil/Cream · Role: Supportive antioxidant
Ingredient Profile: Tocopherol is a lipid‑soluble antioxidant that helps protect stratum corneum lipids from oxidative stress and supports the stability of oil phases when combined with broader antioxidant systems.
Why We Use It: In BUENO+ oils and creams it is used as a supportive antioxidant around UV and pollution exposure, working with vitamin C and other antioxidants to help keep the formula and skin lipids feeling more resilient rather than promising dramatic brightening on its own.
Research Summary: Topical vitamin E and related esters are widely studied for mitigating lipid peroxidation and supporting barrier comfort; visible outcomes depend on concentration, delivery system and consistent use alongside sun protection.
Carrot & Beta-carotene Series
Study · Carrot Extract 21
Carrot Root Extract & Beta-Carotene
Format: Body Oil · Role: Warm radiance & lipid protection
Ingredient Profile: Carrot root extract supplies beta‑carotene, a lipophilic antioxidant carotenoid and provitamin A that can integrate into lipid layers and influence perceived warmth and luminosity of the skin surface.
Why We Use It: In BUENO+ body oil it is combined with plant oils and vitamin E to support the antioxidant network of the formula while giving a subtle, light‑catching warmth rather than an opaque tint or self‑tanning effect.
Research Summary: Carotenoids such as beta‑carotene are well documented for systemic antioxidant effects and their contribution to skin colour and radiance; topical cosmetic data are more limited, so we frame its role as supportive for lipid protection and visual glow.
Emerging Evidence Series
Study · Xanthohumol 22
Xanthohumol in Scalp Care
Format: Shampoo/Treatment · Role: Supportive antioxidant for scalp
Ingredient Profile: Xanthohumol is a prenylated flavonoid from hops explored for antioxidant and anti‑inflammatory activity, positioned in scalp care as a supportive ingredient within broader cleansing and conditioning systems.
Why We Use It: In BUENO+ scalp formulas it is used at considered levels to help support a fresher, more balanced-feeling scalp environment alongside surfactants and conditioning agents, rather than acting as the primary active on its own.
Research Summary: Most data on xanthohumol come from in vitro and experimental models; topical cosmetic roles remain an emerging area, so claims are kept conservative and focus on comfort and perceived balance.
Study · Sodium DNA 23
Sodium DNA & Polynucleotides
Format: Gel/Cream · Role: Conditioning support for depleted skin
Ingredient Profile: Sodium DNA and related polynucleotides are conditioning agents discussed mainly in medical and aesthetic contexts for regeneration support, while cosmetic use focuses on comfort and texture in hydrating bases.
Why We Use It: In BUENO+ gels and creams for over‑treated, depleted-feeling skin it is paired with humectants and lipids to support a more comfortable, supple surface, without extending medical-level regeneration claims into cosmetic framing.
Research Summary: Polynucleotide research is active in clinical fields; cosmetic positioning remains intentionally conservative, emphasising moisturisation and improved feel rather than strong repair promises.
Study · Spicules 24
Spicules for Micro-Exfoliation
Format: Cream · Role: Procedure-inspired surface refinement
Ingredient Profile: Hydrolyzed sponge spicules are mineral micro‑structures used in cosmetics to provide controlled physical stimulation and exfoliation at the surface of the stratum corneum.
Why We Use It: In BUENO+ creams inspired by procedure-like textures, spicules are included at calibrated levels to help smooth dull, rough areas, with clear guidance around transient prickling and redness.
Research Summary: Spicule-based systems sit at the border of cosmetic and procedure-inspired care; available reports focus on exfoliation and texture refinement, and their use requires careful formulation and conservative communication.