Formulation With Essential Oils
Our Formulation Standard
Every product is engineered through a disciplined, three-tier formulation standard designed to ensure clinical efficacy, safety, and an exceptional sensory experience:
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Targeted Actives for Proven Results: We curate high-potency, research-backed active ingredients selected specifically to address distinct functional needs with measurable efficacy.
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Therapeutic Botanicals for Holistic Performance: We integrate pure, purpose-selected essential oils to deliver an intentional aromatherapy ritual while actively supporting and boosting product performance.
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Synergistic Base Architecture: We formulate clean, biocompatible base matrices engineered to stabilize and amplify the delivery of actives and botanicals, ensuring optimal skin feel, peak bioavailability, and complete daily comfort.
Essential-oil directory
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Essential oil |
Typical aroma |
Common aromatherapy associations |
One Tree products |
Commonly Cited Skin & Hair Care Benefits |
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Atlas cedarwood |
Warm, dry and woody, with a soft, balsamic character. |
Often associated with a grounded, comforting atmosphere and a moment of quiet relaxation. |
Restoring Shampoo 500ml; Everyday Shampoo 1000ml; Restoring Hair Tonic 100ml; Zest Me Up Body Wash 500ml; Revive Body Scrub 230ml. |
Often cited for oily skin and scalp care. Hair-growth claims mainly concern blends. |
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Bergamot |
Bright, fresh and fruity, with a delicate floral quality. |
Traditionally enjoyed for a cheerful, uplifting feel while adding a soft, relaxing note. |
Niacin+ Renewal Gel Cleanser 150ml; Niacin+ Optimising Facial Serum 30ml; Relax II Body Wash 500ml; Relax Body Oil 120ml; Revive Body Scrub 230ml. |
Commonly cited for oily, blemish-prone skin. Non-phototoxic oil is used for leave-on products. |
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Guatemalan lemongrass— Cymbopogon schoenanthus |
Green and grassy, with earthy, gently citrus-like notes. |
Commonly used to create a fresh, enlivening atmosphere. Its aroma can vary with the oil used. |
Used for fragrance in skin and hair care. |
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Carrot seed |
Earthy and woody, with a subtly sweet, herbal note. |
Often associated with grounding and a comforting, restorative-feeling ritual. |
Often marketed for mature-looking skin and antioxidant support.. |
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Mandarin orange |
Sweet and warm, with a soft orange-like citrus aroma. |
Often associated with a cheerful, refreshing and gently uplifting atmosphere. |
Primarily a citrus fragrance ingredient. |
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Clary sage |
Softly herbal and earthy, with a slightly sweet, floral undertone. |
Traditionally associated with a calming, balancing atmosphere and time to unwind. |
Niacin+ Optimising Face Lotion 50ml; Niacin+ Renewal Gel Cleanser 150ml; Clarifying Shampoo 500ml; OFA Hair Conditioner 500ml. |
Commonly cited for balancing oily or combination skin and scalp |
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Clove bud |
Rich, warm and spicy, with a distinctive aromatic depth. |
Often used to create a warming, comforting and energising atmosphere. |
Cited for antimicrobial and antioxidant activity, mainly from laboratory research. |
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Coriander |
Warm, gently spicy and slightly sweet, with a fresh herbal edge. |
Often enjoyed for a comforting, gently uplifting sensory experience. |
Cited for antimicrobial and antioxidant potential, largely in laboratory studies. |
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Peppermint arvensis |
Fresh, bright and minty, with a cool character.
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Commonly associated with a refreshing, invigorating and clear-headed feeling. |
Often used for a cooling, fresh scalp sensation. |
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Cypress |
Fresh, woody and subtly resinous, reminiscent of a forest. |
Traditionally used for a balanced, grounding and quietly refreshing atmosphere. |
Traditionally cited for toning oily skin and deodorising body care. |
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Damask rose |
Soft, rich and distinctly floral. |
Often associated with comfort, relaxation and an elegant, romantic mood. |
Commonly cited for dry or mature-looking skin and a soothing cosmetic ritual. |
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Elemi |
Fresh and lightly citrusy, with gentle spice and a warm, resinous finish. |
Often associated with a clear, uplifting atmosphere balanced by a grounding warmth. |
Traditionally included in dry or mature-skin blends. |
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Frankincense |
Warm and resinous, with soft woody and slightly citrus-like notes. |
Traditionally associated with a calm, centred and reflective atmosphere. |
Often cited for soothing and mature-skin care. |
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Frankincense — Boswellia serrata |
Warm, woody and resinous, with a softly aromatic depth. |
Traditionally enjoyed for a grounding, calming and meditative atmosphere. |
Niacin+ Optimising Face Lotion 50ml; Niacin+ Renewal Gel Cleanser 150ml. |
Commonly cited for soothing and mature-skin care. |
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Geranium / rose geranium |
Sweet, rosy and floral, with a fresh green, herbal edge. |
Often associated with emotional balance and a comforting, gently uplifting mood. |
Niacin+ Optimising Face Lotion 50ml; Niacin+ Renewal Gel Cleanser 150ml; Niacin+ Brightening Toner 150ml; Niacin+ Optimising Facial Serum 30ml; Restoring Shampoo 500ml; OFA Hair Conditioner 500ml; Relax II Body Wash 500ml; Restoring Hair Tonic 100ml; Relax Body Oil 120ml; Fresh Goat's Milk Body Wash 500ml NEW; Fresh Goat's Milk Body Lotion 500ml NEW. |
Commonly cited for balancing oily or combination skin and supporting scalp care. |
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German chamomile |
Warm, herbaceous and gently sweet, with a soft floral quality. |
Traditionally enjoyed for a calming, comforting atmosphere and a gentle wind-down ritual. |
Cited for soothing skin and reducing visible redness; anti-inflammatory potential is studied. |
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Helichrysum / immortelle |
Warm, herbaceous and earthy, with a subtly sweet undertone. |
Often associated with a soothing, grounding and restorative-feeling ritual. |
Niacin+ Optimising Face Lotion 50ml; Niacin+ Optimising Facial Serum 30ml. |
Often marketed for soothing, mature-skin care and improving the appearance of marks. |
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Lavender |
Soft, floral and herbaceous, with a clean, comforting character. |
Traditionally associated with relaxation, calm and winding down at the end of the day. |
Niacin+ Optimising Face Lotion 50ml; Niacin+ Calming Toner 150ml; Clarifying Shampoo 500ml; Niacin+ Brightening Toner 150ml; Niacin+ Optimising Facial Serum 30ml; OFA Hair Conditioner 500ml; Relax II Body Wash 500ml; Relax Body Oil 120ml; Fresh Goat's Milk Body Wash 500ml NEW; Fresh Goat's Milk Body Lotion 500ml NEW. |
Commonly cited for soothing skin and scalp; anti-inflammatory potential is studied. Hair-growth evidence largely concerns animals or blends. |
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Lemon |
Bright, crisp and unmistakably citrusy. |
Commonly enjoyed for an uplifting, refreshing and energising sensory experience. |
Niacin+ Renewal Gel Cleanser 150ml; Relax II Body Wash 500ml; Relax Body Oil 120ml. |
Often cited for oily-skin cleansing and a fresh scalp feel. |
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Mandarin |
Sweet, soft and cheerful, with a fresh citrus scent. |
Often associated with a gently uplifting, comforting and light-hearted atmosphere. |
Niacin+ Calming Toner 150ml; Niacin+ Brightening Toner 150ml; Niacin+ Emulsifying Cleanser 150ml. |
Used for citrus fragrance and commonly marketed for a refreshed complexion. |
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Myrrh |
Warm, earthy and resinous, with a rich, slightly smoky character. |
Traditionally associated with grounding, quiet reflection and a meditative atmosphere. |
Traditionally cited for dry, rough or mature-looking skin. |
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Patchouli |
Deep, earthy and slightly sweet, with a rich, musky character. |
Often used to create a grounding, comforting and relaxing atmosphere. |
Niacin+ Optimising Face Lotion 50ml; Niacin+ Renewal Gel Cleanser 150ml; Niacin+ Calming Toner 150ml; Clarifying Shampoo 500ml; Niacin+ Brightening Toner 150ml; Niacin+ Optimising Facial Serum 30ml; Niacin+ Emulsifying Cleanser 150ml; OFA Hair Conditioner 500ml; Relax II Body Wash 500ml; Relax Body Oil 120ml; Revive Body Scrub 230ml. |
Often cited for dry or blemish-prone skin and scalp care. Antimicrobial and anti-inflammatory findings are mainly preclinical. |
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Peppermint |
Cool, fresh and strongly minty. |
Commonly associated with a brisk, invigorating and mentally refreshing experience. |
OFA Hair Conditioner 500ml; Everyday Shampoo 1000ml; Restoring Hair Tonic 100ml; Zest Me Up Body Wash 500ml; Revive Body Scrub 230ml. |
Used for a cooling, refreshed skin or scalp sensation. Hair-growth claims rely mainly on animal research. |
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Petitgrain |
Fresh and green, with gently woody, citrus-floral notes. |
Often enjoyed for a balanced, refreshing and calming atmosphere. |
Traditionally cited for oily or combination skin and a toning feel. |
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Roman chamomile |
Soft and gently floral, with a sweet, apple-like note. |
Traditionally associated with comfort, relaxation and a peaceful wind-down ritual. |
Traditionally cited for soothing dry or delicate-feeling skin. |
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Rosemary |
Fresh, herbal and woody, with a crisp aromatic edge. |
Commonly associated with an invigorating, focused and refreshed feeling. |
Restoring Shampoo 500ml; Everyday Shampoo 1000ml; Restoring Hair Tonic 100ml. |
Frequently cited for scalp care and hair density. One small six-month comparative trial suggests potential for pattern hair loss. |
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Sandalwood |
Smooth, creamy and warm, with a soft woody character. |
Traditionally enjoyed for a grounding, calming and centred atmosphere. |
Niacin+ Calming Toner 150ml; Niacin+ Optimising Facial Serum 30ml. |
Cited for soothing dry skin; anti-inflammatory potential is studied. Moisturising effects depend on the complete formula. |
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Spearmint |
Fresh and minty, with a softer, sweeter character than peppermint. |
Often associated with a bright, refreshing and gently uplifting experience. |
Used for minty freshness in scalp care. Antimicrobial potential is mainly laboratory-based. |
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Sweet orange |
Sweet, juicy and bright, with a familiar orange-peel aroma. |
Commonly enjoyed for a cheerful, uplifting and energising mood. |
Everyday Shampoo 1000ml; Zest Me Up Body Wash 500ml; Revive Body Scrub 230ml. |
Commonly cited for a refreshed, brighter-looking complexion; primarily adds fragrance. |
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Tea tree |
Fresh, green and distinctly herbal, with a crisp, camphor-like note. |
Often used to create a clean-smelling, fresh and revitalising sensory experience. |
Cited for blemish-prone skin and dandruff care; some formulated products have clinical support, but evidence remains limited. |
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Turmeric |
Warm, earthy and gently spicy. |
Often associated with a comforting, grounding and balanced atmosphere. |
Cited for antioxidant and anti-inflammatory potential, predominantly preclinical. |
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Vetiver |
Deep, earthy and woody, with a rich, slightly smoky quality. |
Traditionally enjoyed for a grounding, calming and reassuring atmosphere. |
Traditionally cited for soothing and toning skin; antioxidant and antimicrobial potential is mainly laboratory-based. |
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Wild thyme |
Green, herbaceous and gently spicy, with a fresh, robust character. |
Often associated with an energising, clarifying and refreshing atmosphere. |
Cited for antimicrobial and clarifying scalp care; human evidence for wild thyme is limited. |
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Ylang ylang |
Rich, sweet and floral, with a soft, exotic character. |
Traditionally enjoyed for a relaxing, comforting and romantic mood. |
Niacin+ Optimising Facial Serum 30ml; Restoring Shampoo 500ml; Relax II Body Wash 500ml; Relax Body Oil 120ml; Revive Body Scrub 230ml. |
Commonly cited for balancing skin oils and adding a conditioned feel to hair. |