Navigating essential oil use during pregnancy can feel overwhelming. With so much information available, it’s crucial to have a source you can trust that prioritises safety above all else. At BlendCraft™, our ‘Kind Formulating’ promise means we advocate for a ‘less is more’ approach, especially during this sensitive and beautiful time.
This guide will help you understand the best practices, benefits, and important safety considerations for using essential oils throughout your pregnancy journey, including how our Women’s Wellbeing Blends are crafted to provide gentle, tailored support.
The Golden Rule: Consult a Professional
While research suggests benefits, the use of essential oils during pregnancy requires expert guidance. Always consult with a qualified healthcare provider and a professional aromatherapist before beginning any new regimen. Every pregnancy is unique, and personalised advice is essential.
Why Caution Is Key: Understanding the Categories of Risk
Essential oils are powerful, concentrated plant compounds. During pregnancy, we exercise caution not out of fear, but out of deep respect for the profound changes happening in your body and your developing baby. Some oils are best avoided due to their specific chemical properties.
Oils of concern generally fall into these categories:
| Category | Risk Profile |
|---|---|
| Emmenagogues | May stimulate menstrual flow and could potentially affect the uterus |
| Hormonal & Major Stimulants | May have a strong impact on sensitive hormonal balances |
| High in Ketones | Can be neurotoxic in high doses; best avoided during pregnancy |
| High in Phenols | Potentially skin-sensitising and overly stimulating |
| High in 1,8-Cineole | May affect the central nervous system; caution advised in first trimester |
| High in Aldehydes (Citral) | Potentially skin-sensitising; may stimulate uterine contractions in high doses |
| Phototoxic Oils | Cause severe skin reactions when exposed to UV light |
Oils to Avoid During Pregnancy & Breastfeeding
Based on current aromatherapy safety standards, we recommend avoiding the following oils during pregnancy and breastfeeding. This comprehensive list includes all oils from our collection that present potential risks.
First Trimester (Weeks 1-12): Highest Caution
The first trimester is a critical period of foetal development. We recommend no topical application and only very gentle aromatic use (diffusion or personal inhalation) of completely safe oils. The following oils are best avoided entirely during this period:
| Oil | Primary Reason for Caution | Found in Blend |
|---|---|---|
| Aniseed Myrtle | High in Anethole (85-95%); hormonal influence | REJUVENATE |
| Balm Bush Mint | High in Citral (60-70%); aldehyde content | REJUVENATE |
| Basil | Estragole content; hormonal influence | REJUVENATE |
| Bay | High in phenols; stimulating | ENERGISE |
| Birch | Potent phenols (Methyl Salicylate) | PURIFY |
| Black Pepper | Stimulating; use with caution | REJUVENATE |
| Blue Lotus | Lack of safety data; potent effect | BALANCE |
| Blue Mallee (Eucalyptus) | High 1,8-cineole content | BALANCE |
| Boronia | Lack of safety data; sensitiser potential | SETTLE |
| Buddha Wood | Lack of safety data; potential sensitiser | SETTLE |
| Caraway | Hormonal influence; emmenagogue potential | PURIFY |
| Cardamom | Use with caution; stimulating in high doses | REJUVENATE |
| Cedarwood | Hormonal influence (some chemotypes) | BALANCE |
| Clove | Potent phenols (Eugenol) | REJUVENATE |
| Coriander | Use with caution in first trimester | ENERGISE |
| Cypress Blue | Fetotoxic; anti-angiogenic (β-eudesmol) | PURIFY |
| Cypress Pine | Fetotoxic; chemically similar to Cypress Blue | REJUVENATE |
| Eucalyptus Borealis | High 1,8-cineole content (>50%) | REJUVENATE |
| Eucalyptus Peppermint | High 1,8-cineole content (>50%) | ENERGISE |
| Fennel | Estragole content; hormonal (emmenagogue) | PURIFY |
| Fragonia | Use with caution; limited pregnancy data | BALANCE |
| Galbanum | Emmenagogue in therapeutic doses | SETTLE |
| Grapefruit (cold-pressed) | Phototoxic | PURIFY |
| Gum Gully (Eucalyptus) | High 1,8-cineole content | PURIFY |
| Honey Myrtle | High in 1,8-cineole or citral depending on chemotype | SETTLE |
| Hyssop | Ketones (Pinocamphone) | BALANCE |
| Jasmine | Potent hormonal influence | REJUVENATE |
| Juniper | Emmenagogue; kidney stimulant | PURIFY |
| Kunzea | Use with caution; limited pregnancy data | SETTLE |
| Lavender Spike | High 1,8-cineole content | ENERGISE |
| Lemon (cold-pressed) | Phototoxic | ENERGISE |
| Lemon Iron Bark | Limited safety data | BALANCE |
| Lemon Myrtle | Very high in citral (aldehydes) | REJUVENATE |
| Lemon Scented Gum | High in citronellal; limited data | REJUVENATE |
| Lemon Tea Tree | High citral content | PURIFY |
| Lemongrass | High citral content; skin-sensitising | REJUVENATE |
| Lime (cold-pressed) | Phototoxic | ENERGISE |
| Mandarin (cold-pressed) | Phototoxic; use furocoumarin-free version if available | SETTLE |
| Marjoram | Emmenagogue | BALANCE |
| Melissa | Potent; use in very low dilution only | PURIFY |
| Myrrh | Emmenagogue (especially in therapeutic doses) | BALANCE |
| Nerolina | High 1,8-cineole content; similar to tea tree chemotypes | SETTLE |
| Niaouli | High 1,8-cineole content | BALANCE |
| Orange (Bitter, cold-pressed) | Phototoxic | ENERGISE |
| Oregano | Potent phenols (Carvacrol) | REJUVENATE |
| Peppermint | High menthol content; may affect milk supply | ENERGISE |
| Peru Balsam | Potential skin sensitiser | ENERGISE |
| Pink Lotus | Lack of safety data | SETTLE |
| Pink Pepper | Use with caution; stimulating | REJUVENATE |
| Ravensara | High in 1,8-cineole | ENERGISE |
| Rosalina | Use with caution; cineole content varies | BALANCE |
| Rose Damask | Hormonal influence; use only in low dilution | PURIFY |
| Rose Myrtle | Limited safety data | SETTLE |
| Rosemary | Stimulant; high in 1,8-cineole; avoid in first trimester | PURIFY |
| Rosewood | Use with caution; limited pregnancy data | BALANCE |
| Sage | Hormonal; thujone content | BALANCE |
| Silver Fir | Stimulating; high in monoterpenes | ENERGISE |
| Spearmint | Use with caution in first trimester | ENERGISE |
| Strawberry Gum | High in citral; limited data | ENERGISE |
| Tarragon | Estragole content | PURIFY |
| Tea Tree | Use with extreme caution in first trimester; high in terpenes | REJUVENATE |
| Thyme | Potent phenols (Thymol) | ENERGISE |
| Vetiver | Use with caution; limited pregnancy data | SETTLE |
| Wattle | Limited safety data | BALANCE |
First Trimester: Oils Requiring Highest Caution
The following oils from the table above are of particular concern during the first trimester (weeks 1-12) and should be avoided entirely during this period, even for inhalation:
| Oil | Found in Blend |
|---|---|
| Aniseed Myrtle | REJUVENATE |
| Balm Bush Mint | REJUVENATE |
| Basil | REJUVENATE |
| Bay | ENERGISE |
| Birch | PURIFY |
| Black Pepper | REJUVENATE |
| Blue Mallee | BALANCE |
| Caraway | PURIFY |
| Cardamom | REJUVENATE |
| Cedarwood | BALANCE |
| Clove | REJUVENATE |
| Coriander | ENERGISE |
| Cypress Blue | PURIFY |
| Cypress Pine | REJUVENATE |
| Eucalyptus Borealis | REJUVENATE |
| Eucalyptus Peppermint | ENERGISE |
| Fennel | PURIFY |
| Gum Gully | PURIFY |
| Hyssop | BALANCE |
| Jasmine | REJUVENATE |
| Juniper | PURIFY |
| Lavender Spike | ENERGISE |
| Lemon Myrtle | REJUVENATE |
| Lemon Scented Gum | REJUVENATE |
| Lemon Tea Tree | PURIFY |
| Lemongrass | REJUVENATE |
| Marjoram | BALANCE |
| Melissa | PURIFY |
| Myrrh | BALANCE |
| Nerolina | SETTLE |
| Niaouli | BALANCE |
| Oregano | REJUVENATE |
| Peppermint | ENERGISE |
| Pink Pepper | REJUVENATE |
| Ravensara | ENERGISE |
| Rosemary | PURIFY |
| Sage | BALANCE |
| Silver Fir | ENERGISE |
| Spearmint | ENERGISE |
| Tarragon | PURIFY |
| Tea Tree | REJUVENATE |
| Thyme | ENERGISE |
Phototoxic Oils: Critical Safety Note
The following cold-pressed citrus oils can cause severe skin reactions (phytophotodermatitis) when exposed to UV light. If used on the skin (only after first trimester, under professional guidance), a maximum 0.5% dilution is advised, and sun exposure must be avoided for 12-24 hours after application.
Phototoxic Oils in our Range
| Oil | Found in Blend | Status |
|---|---|---|
| Grapefruit (cold-pressed) | PURIFY | Phototoxic – avoid sun |
| Lemon (cold-pressed) | ENERGISE | Phototoxic – avoid sun |
| Lime (cold-pressed) | ENERGISE | Phototoxic – avoid sun |
| Mandarin (cold-pressed) | SETTLE | Phototoxic – avoid sun |
| Orange (Bitter, cold-pressed) | ENERGISE | Phototoxic – avoid sun |
| Tangerine (cold-pressed) | ENERGISE | Phototoxic – avoid sun |
Non-Phototoxic Citrus in our Range
The following oils are safe for topical use without phototoxic risk (no sun avoidance needed) and are excellent choices for pregnancy blending after the first trimester:
| Oil | Found in Blend | Notes |
|---|---|---|
| Bergamot (FCF) | REJUVENATE | Bergapten-free – completely safe for topical use |
| Petitgrain | SETTLE | Distilled from leaves and twigs – completely safe |
| Neroli | SETTLE | Distilled from blossoms – completely safe |
BlendCraft™ Best Practices for Every Trimester
Our philosophy is to err on the side of gentle, minimal, and mindful use. This is precisely why we created our Women’s Wellbeing Blends – to take the guesswork out of safe, effective, and pre-diluted formulations for every phase.
The First Trimester: A Time for Inhalation Only
The first 12 weeks are a critical period of development. We recommend avoiding topical application entirely during this time. The following oils are considered safe for gentle aromatic use only (diffusion or personal inhalation) in the first trimester:
| Safe Oil for Inhalation (First Trimester) | KEY | Notes |
|---|---|---|
| Bergamot (FCF) | REJUVENATE | Bergapten-free, uplifting and calming |
| Chamomile (German) | BALANCE | Anti-inflammatory, gentle and soothing |
| Chamomile (Roman) | SETTLE | Calming, relaxing, safe for nausea |
| Elemi | SETTLE | Gentle, respiratory support |
| Frankincense | SETTLE | Grounding, centering, meditation aid |
| Geranium | BALANCE | Balancing, use very sparingly |
| Grapefruit | PURIFY | Uplifting, stimulates lymphatics |
| Ho Sho | PURIFY | Mild, clears congestion |
| Lavender (True) | BALANCE | Universal first aid, cleanses and soothes |
| Lemon | ENERGISE | Refreshes, improves circulation |
| Mandarin | SETTLE | Gentle, cheerful, comforts, relieves insomnia |
| Neroli | SETTLE | Deeply settles, excellent for emotional support |
| Orange (Sweet) | ENERGISE | Joyful, uplifting, encourages a positive outlook |
| Petitgrain | SETTLE | Sedates gently, uplifting, aids anxiety |
| Rosewood | BALANCE | Gentle, stabilises the nervous system |
| Sandalwood | SETTLE | Grounding, meditative, centering |
| Tangerine | ENERGISE | Bright, cheerful, nourishes circulation |
| Vetiver | SETTLE | Deeply grounding, use in very low amounts |
Inhalation Guidelines for First Trimester:
Diffusion: Add 2-3 drops to a diffuser, run for 15-30 minutes in a well-ventilated space
Personal Inhalation: Place 1 drop on a tissue or inhaler stick, breathe gently as needed
Steam Inhalation: Not recommended during first trimester
Bath: Avoid essential oils in baths during first trimester
The Second & Third Trimesters: Gentle Topical Application
After the first trimester (from week 13 onward), gentle topical application can be introduced with proper dilution and professional guidance. The following oils from the BlendCraft™ range are considered safe for topical use at appropriate dilutions:
| Safe Oil for Topical Use (Second & Third Trimester) | KEY | Best For |
|---|---|---|
| Bergamot (FCF) | REJUVENATE | Uplifting mood, cleanses away negativity |
| Benzoin | PURIFY | Skin soothing, supports respiration |
| Black Pepper | REJUVENATE | Muscle aches, circulation (use sparingly) |
| Cajeput | PURIFY | Respiratory support, muscle tension |
| Cardamon | REJUVENATE | Digestion, nausea, uplifting |
| Cedarwood | BALANCE | Grounding, skin support |
| Chamomile (German) | BALANCE | Skin inflammation, relaxation |
| Chamomile (Roman) | SETTLE | Relaxation, sleep support, skin calming |
| Coriander | ENERGISE | Digestion, gentle warming |
| Elemi | SETTLE | Skin regeneration, respiratory |
| Frankincense | SETTLE | Skin elasticity, meditation, grounding |
| Geranium | BALANCE | Hormonal balance, skin health, emotional lift |
| Grapefruit | PURIFY | Fluid retention, uplifting |
| Ho Sho | PURIFY | Skin support, gentle, clears congestion |
| Juniper | PURIFY | Fluid retention, gentle detox (low dilution) |
| Kunzea | SETTLE | Muscle aches, respiratory support |
| Lavender (True) | BALANCE | Universal: sleep, skin, relaxation |
| Lemon | ENERGISE | Uplifting, cleansing, improves circulation |
| Lemon Tea Tree | PURIFY | Skin support, gentle antimicrobial |
| Lime | ENERGISE | Uplifting, refreshing, immune tonic |
| Mandarin | SETTLE | Gentle, skin elasticity, relieves insomnia |
| Myrrh | BALANCE | Skin regeneration, a supreme tissue healer |
| Neroli | SETTLE | Anxiety, stretch marks, emotional depth |
| Niaouli | BALANCE | Respiratory, skin healing |
| Orange (Sweet) | ENERGISE | Uplifting, gentle, cheerful |
| Petitgrain | SETTLE | Calming, gently uplifting, sleep support |
| Pink Pepper | REJUVENATE | Gentle warming, circulation (low dilution) |
| Rosalina | BALANCE | Gentle, respiratory support, calming |
| Rose Damask | PURIFY | Heart-opening, skin support (low dilution) |
| Rosewood | BALANCE | Skin health, calming, gentle |
| Sandalwood | SETTLE | Grounding, skin elasticity, meditation |
| Spearmint | ENERGISE | Nausea, digestion, gentle (safer than peppermint) |
| Tangerine | ENERGISE | Bright, cheerful, skin support |
| Vetiver | SETTLE | Grounding, sleep, anxiety (low dilution) |
Topical Application Guidelines for Second & Third Trimester
| Application | Dilution | Essential Oil Drops per 30ml Carrier |
|---|---|---|
| Full body massage | 1% | 6 drops |
| Localised application (aches, spots) | 0.5-1% | 3-6 drops |
| Facial application | 0.5% | 3 drops |
| Perineal preparation (from week 34) | 1% | 6 drops |
| Bath (with dispersant) | 0.5% | 3 drops mixed in full-fat milk or dispersant |
Safe Carrier Oils from the BlendCraft™ Range:
Jojoba (excellent for elasticity, closest to skin’s sebum)
Sweet Almond (nourishing, readily available)
Apricot Kernel (light, easily absorbed)
Rosehip (regenerative, use at 10-20% in blend)
Application Areas by Trimester:
Weeks 13-27: Focus on thighs, arms, back, feet – avoid abdomen
Weeks 28-40: Gentle abdominal massage can be introduced; continue with back, hips, and perineum
After the first trimester, gentle topical application can be introduced with proper dilution and professional guidance.
Dilution Is Non-Negotiable: We recommend a 0.5% – 1% dilution = 3-6 drops of essential oil in 30ml carrier oil. For facial applications, stick to 0.5%. When using our Women’s Wellbeing Blends, masterful dilution to these safe standards ensures your peace of mind.
Carrier Oils: Jojoba oil is an exceptional choice due to its stability and similarity to the skin’s natural oils. It’s perfect for promoting skin elasticity and hydrating your changing body. Sweet Almond, Apricot Kernel, and Rosehip are also excellent choices.
Patch Test: Always perform a patch test on the inside of your arm or elbow crease 24 hours before using any new blend more widely.
Application Areas: Focus on areas away from the abdomen in the first half of pregnancy – thighs, arms, back, and feet. Gentle abdominal massage can be introduced in the third trimester with appropriate blends.
Your BlendCraft™ Companion Blends for the Pregnancy Passage
Our blends are crafted to meet your body where it is, with reverence and intelligence. Here’s how they can support you:
For Pre-Conception & Fertility
| Blend | Usage Guideline |
|---|---|
| flourish (Steady Hormones) | To help regulate cycles and find hormonal equilibrium before conception. Safe for aromatic and topical use in pre-conception phase. |
| conceive (Fertile Ground) | Discontinue use immediately once pregnancy is confirmed. This blend is designed to promote ovulation and hormonal balance in the pre-conception phase only. |
For the First Trimester
| Blend | Usage Guideline |
|---|---|
| nourish (1st Trimester) | Specifically crafted for aromatic use only to ease nausea and lift emotional dips with uplifting citrus (FCF) and soothing florals. Do not apply topically during first trimester. |
For the Second Trimester
| Blend | Usage Guideline |
|---|---|
| cultivate (2nd Trimester) | A spicy-soft blend to increase circulation and support maternal vitality. Safe for topical use at our pre-diluted levels from week 13 onward. |
| strengthen (Tissue Tightener) | To boost skin elasticity and fortify the skin’s natural resilience. Safe for topical use on thighs, hips, and breasts from week 13 onward. |
For the Third Trimester & Preparation
| Blend | Usage Guideline |
|---|---|
| foster (3rd Trimester) | Avoid in first trimester. A harmonising citrus-herbal embrace to relieve swelling, support digestion, and ground you. Safe for topical use from week 28 onward. |
| yield (Perineum Prep) | A deeply regenerative oil to prepare, protect, and encourage elasticity in perineal tissues. Safe for topical use from week 34 onward. |
For Birth, Postpartum & Beyond
| Blend | Usage Guideline |
|---|---|
| birth (Labour Assist) | To steady breath, encourage courage, and soften the mind and body for labour. For use during active labour only; not for pre-birth topical use. |
| welcome (Kinship Bonds) | A bonding balm to encourage oxytocin release and settle nerves. Safe for both birthing parent and support person. Contains minimal essential oils at safe postpartum dilutions. |
| mum (Resilient Innovator) | A radiant companion to sustain emotional stamina and spark creativity through motherhood. Safe for postpartum topical use. |
| suckle (Breastfeeding Care) | Contains Fennel & Basil; use with caution and only if no history of sensitivity and under professional guidance. Promotes milk flow and soothes cracked skin. Discontinue if nipple stimulation causes discomfort or if baby shows any reaction. |
Embrace this Passage with Confidence and Care
Pregnancy is a profound passage, a time to nurture yourself and your baby with intention, tenderness, and wisdom. Essential oils, when used with knowledge and respect, can be beautiful allies throughout this passage: soothing nausea in the early weeks, easing aches as your body blooms, calming a restless mind, and preparing you for the transformative experience of birth and beyond.
We believe that true wellness is never about doing more, it’s about doing what matters, with care. That’s why our approach to pregnancy and essential oils is rooted in the principle of kind formulation: gentle, minimal, and always informed by the latest safety research.
We created our Women’s Wellbeing Blends so you don’t have to navigate the complexities of dilution, contraindications, and chemotypes alone. Each blend is thoughtfully crafted to support you through every trimester and into motherhood, with the peace of mind that comes from masterful, pregnancy-aware formulating.
Whether you’re diffusing nourish during those quiet first weeks, massaging cultivate into growing skin, or breathing in birth as you welcome your baby earth-side—know that you are supported by blends made with reverence for your body and your baby.
Your BlendCraft™ Promise
Every recommendation we make and every blend we craft is rooted in modern aromatherapy safety standards, and our core belief in kindness: to your body, to your baby, and to the earth.
Explore the Women’s Wellbeing Collection to find your perfect supportive companion for this incredible passage. However you choose to use essential oils during your pregnancy, may you do so with confidence, with care, and with the deepest trust in your own body’s wisdom.
Disclaimer: This article is for informational purposes only and is not intended to replace medical advice. Always consult with a qualified healthcare provider or clinical aromatherapist before using essential oils during pregnancy, especially if you have a high-risk pregnancy, medical conditions, or are taking medication. Always check individual blend descriptions for specific contraindications. The information provided is based on current industry standards and safety data available at time of publication.