DHHB

DHHB also has good solubility, excellent formula flexibility, and good compatibility with other UV filters and cosmetic ingredients.
DHHB provides excellent free radicals protection and is ideal for long-lasting sun care and anti-aging face care products.
DHHB, or Diethylamino Hydroxybenzoyl Hexyl Benzoate, is an organic UV filter commonly used in sunscreens and other cosmetic products to provide broad-spectrum protection against UVA radiation. 

CAS Number: 302776-68-7
Molecular Formula: C24H31NO4
Molecular Weight: 397.51
EINECS Number: 443-860-6

Synonyms: Hexyl 2-(3-(diethylamino)-2-hydroxybenzoyl)benzoate, DHHB, 674784-18-0, 1026002-05-0, HEXYL 2-[3-(DIETHYLAMINO)-2-HYDROXYBENZOYL]BENZOATE, SCHEMBL101783, DTXSID70587474, AKOS015901407, AS-10196
DB-343093, HEXYL2-(3-(DIETHYLAMINO)-2-HYDROXYBENZOYL)BENZOATEBENZOICACID,2-(4-DIETHYLAMINO)-2-HYDROXYBENZOYL)-,HEXYLESTER, uv absorber A PLUS, UVAPlus/DHHB, UVA PLUS, Diethylamino Hydroxybenzoyl Hexyl Benzoat, Hexyl 2-[4-(Diethylamino)-2-hydroxybenzoyl]benzoate (This product is only available in Japan.), 2-(4-Diethylamino-2-hydroxybenzoyl)-Benzoesurehexylester, 2-[4-(Diethylamino)-2-hydroxybenzoyl]benzoic acid hexyl ester

DHHB is an organic compound belonging to the class of benzophenones, commercially used as UVA filter and is anticipated to provide reliable protection against free radicals and premature skin aging, mainly caused by shortwave UVA radiations.
DHHB is a member of benzophenones.
DHHB is very photostable and provides strong UVA protection. 

DHHB is also known by its trade name Uvinul A Plus and is widely used in skincare formulations to help prevent premature skin aging, sunburn, and other harmful effects caused by prolonged exposure to ultraviolet (UV) rays. 
Unlike some older sunscreen ingredients that primarily absorb UVB rays, DHHB is specifically designed to absorb high-energy long-wave UVA radiation (320–400 nm), which penetrates deeper into the skin and contributes to photoaging, DNA damage, and an increased risk of skin cancer.

One of the key advantages of DHHB is its photostability, meaning it does not degrade significantly when exposed to sunlight, unlike older UVA filters such as avobenzone, which can break down quickly upon UV exposure. 
This makes DHHB a preferred choice for long-lasting sun protection, as it helps maintain the effectiveness of sunscreens over extended periods. 
Additionally, it is often combined with other UV filters, such as Octocrylene, Tinosorb S, and Tinosorb M, to achieve broad-spectrum coverage by protecting against both UVA and UVB rays.

DHHB is an organic compound used in sunscreens to absorb UVA radiation. 
It is marketed as Parsol DHHB by DSM and as Uvinul A Plus by BASF. DHHB has an absorption maximum of 354 nm.
DHHB has excellent photostability and compatibility with other UV absorbers and other cosmetic ingredients.

DHHB has been approved for the use in sunscreens in the European Union since 2005 with a maximum concentration of 10% and is also approved in South America, Mexico, Japan and Taiwan.
In the United States it can be used for product protection.
DHHB (INCI) is an organic compound used in sunscreens to absorb UVA radiation.

DHHB is marketed as Uvinul A Plus, DHHB has an absorption maximum of 354 nm.
DHHB has excellent photostability and compatibility with other UV absorbers and other cosmetic ingredients.
DHHB has been approved for the use in sunscreens in the European Union since 2005 with a maximum of 10 per cent and is also approved in South America, Mexico, Japan and Taiwan. 

In the United States it can be used for product protection.
DHHB, also known as Uvinul A Plus, is a chemical compound commonly used in cosmetics and sunscreens for its excellent UV-absorbing properties. 
Its chemical formula is C24H31NO4. 

As an organic UV filter, it plays a crucial role in protecting the skin from the harmful effects of UV radiation, particularly UVA and UVB rays. 
While it is generally regarded as safe, concerns have been raised about potential contaminants, highlighting the importance of purity in cosmetic formulations.
In the cosmetic industry, DHHB is highly valued for its exceptional UV-absorbing properties. 

It serves as a key component in sunscreen formulations, offering effective protection against both UVA and UVB radiation. 
This UV filter ensures that cosmetic products provide comprehensive sun protection, preventing sunburn, premature skin aging, and the risk of skin cancer. 
Due to its stability and compatibility with various cosmetic ingredients, DHHB is widely used in sunscreens, moisturizers, foundations, and other skincare and makeup products, allowing consumers to enjoy both beauty enhancement and essential sun defense.

Beyond its use in sunscreens, DHHB is also found in various skincare and cosmetic formulations, including moisturizers, anti-aging creams, foundations, and lip balms, where it provides UV protection while ensuring the stability of other active ingredients. 
Because it is oil-soluble, it is particularly suitable for use in water-resistant and long-wear formulations, making it ideal for sports sunscreens, beachwear products, and daily facial sunscreens.

From a safety perspective, DHHB is considered low-risk in terms of skin irritation and allergic reactions, making it suitable for sensitive skin. 
DHHB is approved for use in several regions, including Europe, Asia, and Australia, but has not yet been approved by the U.S. Food and Drug Administration (FDA) for use in sunscreens sold in the United States, primarily due to regulatory hurdles rather than safety concerns. 

DHHB remains one of the most effective and widely used UVA filters in many global markets.
DHHB is very photostable and provides strong UVA protection.
DHHB also has good solubility, excellent formula exibility, and good compatibility with other UV lters and cosmetic ingredients.

DHHB provides excellent free radicals protection and is ideal for long-lasting sun care and anti-aging face care products.
Allows you to lter certain UV rays in order to protect the skin or hair from the harmful eects of these rays.
Improves ingredients or formulation stability and shelf life

DHHB protects the cosmetic product against the eects of UV light
DHHB is a photostable UV-A absorber.
The manufacture of DHHB typically involves the reaction of hexyl benzoate with diethylamino hydroxybenzoyl hexyl benzoate, along with other reagents and catalysts.

AakoSun DHHB is better known as Diethylamino Hydroxybenzoyl Hexyl Benzoate. 
It is an oil-soluble UV A and UV B filter that is approved in many countries worldwide for use in sun care formulations, in Europe max. 10%. 
Because of its hydrophobic nature and its solubility in oil, it is particularly suitable to use in water-repellent and water-resistant formulations.

DHHB absorbs UV-A radiation with a peak at 354 nm. The molar absorption coefficient of DHHB in EtOH at 25°C is obtained to be 39 000 mol/dm3/cm at 354 nm. 
The emission spectrum of DHHB in EtOH is dependent on the excitation wavelength.

Boiling point: 524.8 ± 40.0 °C (Predicted)
Density: 1.112 ± 0.06 g/cm³ (Predicted)
Vapor pressure: 0 Pa at 20℃
Storage temp.: Inert atmosphere, Room Temperature
Solubility: Acetonitrile (Slightly), Chloroform (Slightly), DMSO (Slightly)
pKa: 7.57 ± 0.35 (Predicted)
Form: Solid
Color: White to Yellow
Water Solubility: 16 μg/L at 20℃
InChI: InChI=1S/C24H31NO4/c1-4-7-8-11-16-29-24(28)20-13-10-9-12-19(20)23(27)21-15-14-18(17-22(21)26)25(5-2)6-3/h9-10,12-15,17,26H,4-8,11,16H2,1-3H3
InChIKey: FDATWRLUYRHCJE-UHFFFAOYSA-N
SMILES: C(OCCCCCC)(=O)C1=CC=CC=C1C(=O)C1=CC=C(N(CC)CC)C=C1O
LogP: 6.2 at 24℃

DHHB is a UV capsule with Diethylamino hydroxybenzoyl hexyl benzoate in silica shell. 
It is micro plastic free and water dispersible. 
Since it provides both UVA&UVB protection and is ideal for water based sun care formulation.

DHHB absorbs UV-A radiation with a peak at 354 nm. 
The molar absorption coefficient of DHHB in EtOH at 25°C is obtained to be 39 000 mol/dm 3 /cm at 354 nm. 
The emission spectrum of DHHB in EtOH is dependent on the excitation wavelength.

In recent years, research involving DHHB in the environmental area has included mass spectrometry studies of its chlorination products, chlorination kinetics, and pathways; detection of the metabolites in humans; degradation under UV/H2O2 treatment, including the effects of pH and DHHB initial concentrations. 

Since UV filters, such as DHHB, may result in adverse environmental impacts, it is essential to examine processes, such as the Chlorination and Solar/Chlorine processes, that the UV filters are exposed to in swimming pools. 
This examination should include the UV filter degradation rates and its degradation mechanism, including the effects of various matrix components in swimming pool waters.

DHHB is an efficient UVA absorber for sunscreen, face care and color cosmetic formulations. 
It enables broadband protection when combined with effective UVB filters and can also contribute to SPF. 
DHHB is an oil-soluble, off-white to pale yellow powder that must be completely solubilized in formulations. 

DHHB is compatible with all UVB filters on the market and is compatible with zinc oxide and iron oxides, which makes it fit for purpose in hybrid formulations. 
With its good eco score, DHHB also enables formulators to develop high eco-class formulations (SUNSCREEN OPTIMIZER). 
And like all our UV filters, it is backed by a comprehensive package of services, designed to keep you ahead in this market.

As concerns about sun damage, premature aging, and skin cancer continue to grow, ingredients like DHHB play a crucial role in modern photoprotection strategies. 
DHHB is often featured in high-performance sunscreens and dermatological formulations that prioritize long-lasting, stable UVA protection, ensuring that users receive comprehensive sun defense with minimal risk of degradation. 
Due to its ability to blend well with other UV filters, it is frequently included in advanced sunscreen formulations that offer superior protection while maintaining a lightweight, non-greasy feel on the skin.

DHHB is a new generation, chemical sunscreen agent (not available in the US due to impossible FDA regulations) that's designed for
high UVA protection and high photostability.
DHHB gives sun protection in the whole UVA range (320-400 nm) with peak protection at 354nm.
DHHB can be used up to 10% worldwide except for the US and Canada.

DHHB is a UV lter with high absorption in the UV-A range. 
Minimizing the overexposure of human skin to ultraviolet radiation that may lead to acute and chronic photodamage, diethylamino hydroxybenzoyl hexyl benzoate is an oil-soluble UV lter that may be incorporated in the oil phase of emulsions.
DHHB was approved in Europe in 2005, and is also marketed in the U.S., South America, Mexico, Japan and Taiwan.

DHHB has a chemical structure similar to the classical benxophoenone drug class, and displays good photostability.
DHHB is used in concentrations up to 10% in sunscreen products, either alone or in combination with other UV absorbers.
DHHB is a member of benzophenones.

DHHB is an organic UV lter that attenuates the exposure of UV radiation on human skin. 
In vitro, topical application of DHHB exerted an anti-inammatory eect on inammation-evoked mouse ears by inhibiting oedema formation.
DHHB is a UV lter with high absorption in the UV-A range. Minimizing the overexposure of human skin to ultraviolet radiation that may lead to acute and chronic photodamage, DHHB is an oil-soluble UV lter that may be incorporated in the oil phase of emulsions.

DHHB was approved in Europe in 2005, and is also marketed in the U.S., South America, Mexico, Japan and Taiwan.
DHHB has a chemical structure similar to the classical benxophoenone drug class, and displays good photostability .
DHHB is used in concentrations up to 10% in sunscreen products, either alone or in combination with other UV absorbers .

DHHB is a oil-soluble, chemical UVA filter with high absorption effect. 
It has strong protective effect for free radical produced by UV. 
DHHB enhances the SPF value of UVB sunscreen. 

DHHB exhibits very good light stability and maintains effectiveness for long time.
DHHB is used in make-up and whitening series product, sunscreen creams, sprays and sticks.

Uses Of DHHB:
DHHB is a UV filter with high absorption in the UV-A range. Minimizing the overexposure of human skin to ultraviolet radiation that may lead to acute and chronic photodamage, DHHB is an oil-soluble UV filter that may be incorporated in the oil phase of emulsions.
DHHB was approved in Europe in 2005, and is also marketed in the U.S., South America, Mexico, Japan and Taiwan. 

DHHB has a chemical structure similar to the classical benxophoenone drug class, and displays good photostability. 
DHHB is used in concentrations up to 10% in sunscreen products, either alone or in combination with other UV absorbers.
DHHB, also known by its trade name Uvinul A Plus, is an oil-soluble UVA filter widely used in sunscreens and cosmetic products to protect the skin from the harmful effects of ultraviolet (UV) radiation. 

DHHB primarily absorbs long-wave UVA rays (320–400 nm), which penetrate deeper into the skin and contribute to photoaging, DNA damage, and an increased risk of skin cancer. 
Due to its excellent photostability and compatibility with other sunscreen agents, DHHB is an essential ingredient in high-performance sun protection formulations. 
UVA rays are known to accelerate collagen breakdown and wrinkle formation, leading to premature aging. 

By including DHHB in anti-aging serums and creams, manufacturers create products that help prevent fine lines, sagging, and loss of skin elasticity.
Since UVA rays contribute to dark spots, melasma, and uneven skin tone, DHHB is included in skin-brightening creams and serums to protect against pigmentation issues and help maintain an even complexion.

DHHB may be used as a test material in investigating the structural elucidation of its transformation products in chlorinated water using liquid chromatography coupled to mass spectrometry.
Dermatologists often recommend medical-grade sunscreens containing DHHB for patients undergoing laser treatments, chemical peels, or microneedling, as these procedures make the skin more vulnerable to UVA-induced damage.

Because DHHB has a low risk of skin irritation and allergic reactions, it is used in sunscreens designed for sensitive skin, rosacea-prone skin, and post-procedure care.
DHHB is used in expensive high-end sunscreens due to its high eciency. 
And it is very stable in terms of UVA protection.

DHHB is recommended only in sunscreen products used on the face. 
Due to the high price If the sunscreen used on the skin Instead, use high amounts of Zinc Oxide to protect against UVA rays, as they are less expensive. 
Although the nature of the product (May be white - dicult to spread - has a chance of separation) is not equivalent to DHHB does not cause white. Creamy texture, easy to spread And easy to mix, no separation problem.

Some leave-in conditioners, hair serums, and styling sprays contain DHHB to protect the hair and scalp from UVA damage, which can cause color fading, dryness, and protein degradation in hair strands.
Since the scalp is highly exposed to UV rays, certain spray-on or mousse-based sunscreens formulated for the scalp include DHHB to prevent sunburn and long-term sun damage.

DHHB is used in sunscreens to provide long-lasting protection against UVA radiation, which is responsible for premature aging, hyperpigmentation, and deep skin damage.
Unlike some older UVA filters like avobenzone, which degrade when exposed to sunlight, DHHB remains stable, ensuring prolonged sun protection without rapid breakdown.

Since DHHB primarily absorbs UVA rays, it is often combined with UVB filters like Octinoxate, Tinosorb S, or Octocrylene to create broad-spectrum sunscreens that protect against both UVA and UVB radiation.
Used in Water-Resistant and Sweat-Resistant Sunscreens: Because DHHB is oil-soluble, it is commonly included in formulations designed for sports sunscreens, beachwear sunscreens, and daily sunblocks that require water and sweat resistance.

DHHB is a preservative used for UVA protection in sunscreens and sunscreens.
DHHB with its chemical formula (C24H31NO4) can prevent UV rays up to 354 nm.
DHHB is a chemical smart conguration authorized for use in cosmetics up to 10% according to the EU.

DHHB has also been approved by the FDA. 
Some adventures and adventures DHHB is a chemical lter that is generally accepted as non-existent.
DHHB is an organic compound used in sunscreens to absorb UVA radiation.

DHHB is a component of cosmetic emulsion with UV protection.
DHHB is ideal for long-lasting sun care and face care products with anti-aging efficacy.
DHHB provides not only reliably filters the sun’s dangerous UVA rays, but also provides outstanding protection from free radicals and skin damage.

The oil-soluble granular offers excellent formulation flexibility and easily qualifies for EU UVA-PF/SPF recommendation. 
DHHB is free of preservatives and highly efficient at low concentration.
Many body lotions and hand creams include DHHB to provide daily UVA protection, preventing sun-induced aging and dryness on areas frequently exposed to sunlight, such as hands, arms, and legs.

DHHB is often used in tinted sunscreens and mineral-based sun protection products to enhance UVA defense while maintaining a lightweight, skin-friendly texture.
DHHB is widely used in Europe, Asia, and Australia, where it is recognized as a safe and effective UVA filter.
Although DHHB is considered safe in global markets, it has not been approved by the FDA for use in sunscreens sold in the United States, mainly due to regulatory barriers rather than safety concerns.

DHHB is used for the treatment, control, prevention, & improvement of the following diseases, conditions and symptoms: Sunscreen
DHHB may also be used for purposes not listed here.
DHHB (INCI) is an organic compound used in sunscreens to absorb UVA radiation.

DHHB is marketed as Uvinul A Plus by BASF.
DHHB has an absorption maximum of 354 nm. DHHB has excellent photostability and compatibility with other UV absorbers and other
cosmetic ingredients.
DHHB has been approved for the use in sunscreens in the European Union since 2005 with a maximum of 10 per cent and is also
approved in South America, Mexico, Japan and Taiwan. 

In the United States it can be used for product protection.
DHHB (INCI) is an organic compound used in sunscreens to absorb UVA radiation. 
DHHB is marketed as Uvinul A Plus by BASF.

DHHB has an absorption maximum of 354 nm. 
DHHB has excellent photostability and compatibility with other UV absorbers and other cosmetic ingredients.
DHHB has been approved for the use in sunscreens in the European Union since 2005 with a maximum of 10 per cent and is also approved in South America, Mexico, Japan and Taiwan. 

In the United States it can be used for product protection.
Many day creams, anti-aging creams, and facial moisturizers include DHHB to provide invisible daily UVA protection, reducing the risk of sun-induced skin damage while keeping the skin hydrated.
To offer built-in sun protection, cosmetic products such as BB creams, CC creams, liquid foundations, and pressed powders often contain DHHB. 

This helps prevent photoaging and hyperpigmentation while ensuring a lightweight, non-greasy finish.
Given its oil-soluble nature, DHHB is incorporated into lip care products to protect the delicate skin of the lips from UVA damage and prevent sunburn, chapping, and premature aging of the lips.

Safety Profile Of DHHB:
DHHB is generally regarded as safe for cosmetic use. It has a low likelihood of causing skin irritation or allergies. 
Concerns about cancer risk due to its use in cosmetics are largely unsubstantiated, but research is ongoing. 
However, pregnant individuals should consult with a healthcare professional before use.

While DHHB is widely used in sunscreens and cosmetic products due to its excellent UVA protection and photostability, like any chemical ingredient, it has potential safety concerns and hazards. 
Although it is generally considered safe for topical use, researchers and regulatory bodies continue to evaluate its effects on human health and the environment. 
Below are some of the potential hazards and concerns associated with DHHB.

DHHB is considered to have a low risk of causing skin irritation or allergic reactions in most people. 
However, individuals with highly sensitive skin or pre-existing skin conditions (such as eczema or rosacea) may experience mild irritation, redness, or discomfort after prolonged use.
If DHHB comes into direct contact with the eyes, it may cause temporary irritation, redness, or discomfort. 

This is why many sunscreen manufacturers recommend avoiding eye contact when applying products containing DHHB.
DHHB is generally regarded as safe for cosmetic use. 
It has a low likelihood of causing skin irritation or allergies. Concerns about cancer risk due to its use in cosmetics are largely unsubstantiated, but research is ongoing. 

However, pregnant individuals should consult with a healthcare professional before use.
Some studies suggest that certain organic UV filters (including some benzophenones and other sunscreen ingredients) have the potential to act as endocrine disruptors, meaning they may interfere with the body's hormonal balance.

While DHHB has not been definitively classified as an endocrine disruptor, more research is needed to determine whether long-term exposure may have any hormonal effects.
Regulatory agencies continue to monitor new research on this topic to ensure safety guidelines remain up to date.